5934734
Descrição
Quiz por Greg Gustav, atualizado more than 1 year ago
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Criado por Greg Gustav
quase 8 anos atrás
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|
Questão 1
Questão
One reason copernicus's theory of the solar system was a better scientific theory than ptolemy's theory is because...
Responda
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Copernicus's theory is newer than Ptolemy's theory, and a newer theory is always better
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Copernicus's model predicts that we should observe stellar parallax (ptolmys predicts that we should not), and astronomers do observe stellar parallax.
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Ptolemy's model of the solar system was accepted by the church in 1600, whereas the church was against Copernicus's model.
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Ptolemy's model does not include and explanation for retrograde motion of the planets.
Questão 2
Questão
true or false, the largest optical telescopes on earth are refractors.
Responda
- True
- False
Questão 3
Questão
In a telescope, the star alberio is seen as a double star including a dimmer blue star and a brighter yellow star. Which star is hotter.
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blue star
-
yellow star
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we can't tell without knowing their distance
Questão 4
Questão
The main function of an optical astronomical telescope is to
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make objects look bigger
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gather as much light as possible
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increase the sharpness of an image
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separate white light into its constituent colors
Questão 5
Questão
on a day when mars rises in the southeast, in what direction will it set
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southwest
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southeast
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northeast
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northwest
Questão 6
Questão
What kind of spectrum do you observe after passing a continuous spectrum through a cool, this gas
Responda
-
continuous plus bright lines
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bright line
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dark line
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emission line
Questão 7
Questão
our suns peak energy output occurs in what region of the electromagnetic spectrum
Responda
-
infrared radiation
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red colored light
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green-blue colored light
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ultraviolet radiation
Questão 8
Questão
which of these are types of ionzing radiation? CHECK ALL THAT APPLY
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infrared rays
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gamma rays
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microwaves
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ultra-long waves
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x-rays
Questão 9
Questão
a partial lunar eclipse can only occur when the moon is in [blank_start]_[blank_end] phase
Responda
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full
Questão 10
Questão
The zodiac band of constellations straddles the
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celestial equator
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horizon
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milky way
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ecliptic
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zenith
Questão 11
Questão
Approximately what time would the waxing gibbous phase of the moon be highest overhead? [blank_start]-[blank_end]
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9 pm
Questão 12
Questão
what kind of spectrum do we see when we observe our sun?
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bright line
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dark line
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emission line
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maginot line
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continuous
Questão 13
Questão
The most important feature of a good scientific theory is that
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the theory must not predict any phenomena that have not been observed in the past
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the predictions the theory makes must agree with observations
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the theory must agree with all previous theories
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the theory must work well for obtaining funding from the national science foundation
Questão 14
Questão
if a star rises at 10:30 pm today (Thursday) what time will it rise TWO days later (on Saturday)
Responda
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10:26
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10:22
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10:34
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10:38
Questão 15
Questão
compared to visible light, infrared radiation has... MARK TWO
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longer wavelength
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shorter wavelength
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higher energy photons
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lower energy photons
Questão 16
Questão
mars in furthest from the sun when it is at
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perihelion
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apogee
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perigee
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aphelion
Questão 17
Questão
the solar system model made by Copernicus...
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was heliocentric
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was centered on earth
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was geocentric
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was egocentric
Questão 18
Questão
the radio receiver dishes of the VLA are spaced far apart to get
Responda
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more observing time on an object
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higher magnification
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greater radio wave length gathering area
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better resolution
Questão 19
Questão
in the solar system model of _____, mars actually move backward in space (relative to its normal direction of motion) when it is doing its retrograde motion. it doesn't just appear to move backward as seen from earth in this model
Responda
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newton
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copernicus
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ptolemy
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galileo
Questão 20
Questão
What type of spectrum is given off by a hot, solid object, such as an incandescent light bulb filament? [blank_start]___[blank_end]
Responda
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continuous
Questão 21
Questão
True or false: the closer to the sun a planet orbits, the slower it moves.
Responda
- True
- False
Questão 22
Questão
The two planets that never appear opposite in the sky from the sun are (CHOOSE TWO ANSWERS):
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jupiter
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mars
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mercury
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venus
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saturn
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neptune
Questão 23
Questão
The moon displays a complete cycle of phases in one...
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sidereal month
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elliptic month
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solar week
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synodic month
Questão 24
Questão
the method we use to determine the age of the earth is:
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measuring earthquake rates
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radiometric dating
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ocean salinity increases
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atmosphere escape dating
Questão 25
Questão
The first person to report observing the phases of Venus with a telescope was
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tycho
-
ptolemy
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galileo
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newton
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hubble
Questão 26
Questão
a telescope lens forms an image using the principles of
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reflection
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refraction
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dispersion
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diffraction
Questão 27
Questão
a star that is close enough to Polaris that it never rises or sets is called
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circumpolar
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zodiacal
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synodical
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annular
Questão 28
Questão
Very accurate naked-eye observations make by ____ allowed _____ to derive his three laws of planetary motion. (choose one set of names to fill the blanks)
Responda
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newton/keplar
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keplar/newton
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newton/galileo
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tycho/kepler
Questão 29
Questão
How would the mass of an object differ when measured on the earth and on the moon
Responda
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the mass is greater on the moon
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the ass is the same in both places
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the mass is less on the moon
Questão 30
Questão
Polaris was not the earth's pole star 10000 years ago, this is because of
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precession
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obfuscation
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stellar parralax
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the earth's magnetic field flips
Questão 31
Questão
an atom which had an electron removed is called
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a neutron
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an isotope
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an ion
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a fusion particle
Questão 32
Questão
there are two questions with images on test one that could not be entered. look at them on your own. Type YES if you understand. [blank_start]___[blank_end]
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Yes
Questão 33
Questão
a necleus of an oxygen atom contains (mark all that apply)
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protons
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electrons
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waxons
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neutrons
Questão 34
Questão
The greenhouse effect of the earths atmosphere keeps the earth warmer because...
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air is trasparent to incoming visible light, but partially opaque to outgoing infrared rays
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earth's magnetic field traps heat in the lower atmosphere
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the ozone layer is very efficient at reflecting cold rays back into outerspace
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the decay of radioactive elements inside the earth provides heat
Questão 35
Questão
The layer of ozone in the earth's atmosphere...
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regulates earth's ocean temperature
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blocks some solar ultraviolet radiation
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creates the earth's magnetic field
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reflects dangerous gamma rays back to space
Questão 36
Questão
Which part of the moon's serface is younger.
Responda
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the maria areas
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the cratered highlands
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the light-colored areas
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the mountain ranges
Questão 37
Questão
the asteroid belt is bordered by the orbits of (choose 2 answers)
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titan
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neptune
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mars
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saturn
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jupiter
-
venus
Questão 38
Questão
the solid part of a comet is called the [blank_start]____[blank_end]
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Nucleus
Questão 39
Questão
Comet tails are made of (mark all that apply)
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liquid water droplets
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molten metal droplets
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gas
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dust particles
Questão 40
Questão
The most abundant gas in earth's current atmosphere is
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oxygen
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nitrogen
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helium
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ozone
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methane
Questão 41
Questão
the 2ND most abundant gas in venus's atmosphere is
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nitrogen
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oxygen
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methane
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carbon dioxide
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hydrogen
Questão 42
Questão
han solo has the millennium falcon <3 at Triton, and he has to pick up princess leia from the largest moon in our solar system. which way must he go?
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closer to the sun
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farther from the sun
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neither because both moons orbit the same planet
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he is already on the correct moon
Questão 43
Questão
Which of the planets in our solar system that have rings has the smallest diameter? [blank_start]____[blank_end]
Responda
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neptune
Questão 44
Questão
we know that this planet has no global magnetic field
Responda
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uranus
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neptune
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murcury
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satern
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venus
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jupiter
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earth
Questão 45
Questão
although venus is further from the sun than murcury, venus has a thigher surface tempurature. why?
Responda
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Mercury is smaller in size than Venus, so it absorbs less sunlight
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Mercury has less mass than Venus so it cant hold the heat photons
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Venus has a thick atmosphere of carbon dioxide
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Venus has a dense ozone layer
Questão 46
Questão
theearth's magnetic feild is generated by
Responda
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the solid iron inner core vibrating rapidly
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a dynamo effect in the liquid outer core
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the shifting of plates in the earth's crust
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the solar wind plasma hitting the ozone layer
Questão 47
Questão
the earth's surface does not contain large amounts of carbon dioxide because
Responda
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it chemically reacted with our helium
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it all escaped into space due to our low gravity
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our oceans and life forms remove it
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cows have removed all the co2 by inhaling it
Questão 48
Questão
List a planet that exhibits retrograde rotation and is a terrestrial planet: [blank_start]__[blank_end]
Responda
-
venus
Questão 49
Questão
Compared to terrestrial planets, Jovian planets have (choose 3)
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greater density
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lower denisty
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fewer moons
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more moons
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faster rotation
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slower roation
Questão 50
Questão
the asteroids in the asteroid belt are generally composed of
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rock & metal
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ice & gasses
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hydrogen & helium
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curds & whey
Questão 51
Questão
the lump of metal we passed around in class is properly called a
Responda
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Meteorite
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meteroid
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meteroligest
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meteor
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meteor-senpai
Questão 52
Questão
which of these materials are found in the polar caps on mars (mark all that apply)
Responda
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frozen oxygen
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water ice
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helium ice
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solid carbon dioxide
Questão 53
Questão
The most common gas in the atmosphere of Saturn is
Responda
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nitrogen
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oxygen
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methane
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carbon dioxide
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hydrogen
Questão 54
Questão
this planet has clouds made of concentrated sulfuric acid
Responda
-
uranus
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neptune
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murcury
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saturn
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jupiter
-
venus
Questão 55
Questão
the gas tail of a comet points away from the sun due to
Responda
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radiation pressure
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solar wind
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the sun's magnetic field
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"jets" from the comet
Questão 56
Questão
the mean density of the earth is 5.5 times that of water, while the crust is only 3 times that of water. this suggests that..
Responda
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earth has a liquid core
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earth probably has a dense metal core
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earths core has a lower density than the crust
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earth's atmosphere is made mostly of oxygen
Questão 57
Questão
the largest asteroid in the asteroid belt is
Responda
-
ceres
-
titan
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charon
-
holestein
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angus
-
guernsey
Questão 58
Questão
the atmosphere of [blank_start]___[blank_end] has 1.5 times the surface pressure of the earth's atmosphere, is composed mainly of nitrogen, and has an opaque orange smog layer that hides the surface from the view of visible light telescopes.
Responda
-
titan
Questão 59
Questão
mars has a reddish surface color because
Responda
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the carbon dioxide in its atmosphere absorbs blue light, allowing red light to pass through.
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the temperature of the surface causes it to glow with a dull reddish orange color
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the single-cell organisms that cover its surface use a chlorophyll that is red, not green
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the surface material has been oxidized by oxygen that was previously in its atmosphere
Questão 60
Questão
which planet or moon have we observed that has a crust composed of plates that shift position very slowly over time? [blank_start]__[blank_end]
Responda
-
earth
Questão 61
Questão
why did the Jovian planets only form n the outer part of the solar system?
Responda
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it was the only part of the solar nebula that contained hydrogen gas molecules
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the Jovian planets didn't have enough mass to attract rock and metal to form into terrestrials
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hydrogen molecules move slow enough out there for a forming planet to hold onto them
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it was too hot out there to melt rock and metal to form terrestrial planets
Questão 62
Questão
where on our moon would you most likely find water ice
Responda
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in the sea of tranquility
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in some permanently-shadowed craters near the lunar poles
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in the largest craters near the lunar equator
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50 feet below the surfaces of all maria
Questão 63
Questão
which of these has a sub-surface salt-water ocean
Responda
-
europa
-
venus
-
mars
-
jupiter
-
mercury
Questão 64
Questão
which of these rotates three times on its axis for every two orbits it makes
Responda
-
euorpa
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venus
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mars
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jupiter
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mercury
Questão 65
Questão
tidal forces in the earth-moon system are responsible for what effects (mark two)
Responda
-
the length of earth's day is getting longer
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the length of earth's day is getting shorter
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the moon's orbit is getting smaller
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the moon's orbit is getting larger
Questão 66
Questão
True or false: Neptune was discovered accidentally by William herchel using a 6-inch telescope
Responda
- True
- False
Questão 67
Questão
the particles that hit the earth's atmosphere and burn up during a meteor shower
Responda
-
large rocks from the asteroid belt
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particles left a comet trail along its oribt
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ice crystals streaming in from interstellar space
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ejecta from meteorite impacts on the lunar surface
Questão 68
Questão
the oort cloud is located
Responda
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in venus' atmosphere
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in jupiters' atmosphere
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far beyond neptune
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around io
Questão 69
Questão
radiometric dating shows that the age of our solar system is [blank_start]_[blank_end] years.
Responda
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4.6 billion
Questão 70
Questão
number the stages of stellar evolution our sun will go though in order (1 - 4). White dwarf [blank_start]__[blank_end] , red giant [blank_start]__[blank_end] , main sequence [blank_start]__[blank_end] , planetary nebula ejection [blank_start]___[blank_end] ,
Responda
-
4
-
2
-
1
-
3
Questão 71
Questão
Of the spectral types listed below, which one corresponds to the coolest temperature stars:
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G
-
F
-
O
-
B
-
A
Questão 72
Questão
Where are red giant stars located on the H-R diagram
Responda
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along the left side
-
along the top side
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in the upper right
-
in the lower right
Questão 73
Questão
what property is plotted vertically on an H-R diagram? [blank_start]__[blank_end]
Responda
-
luminosity
Questão 74
Questão
if the position of and evolving star on a H-R diagram is moving straight left over time, what is happening
Responda
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the star is getting more luminous
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the star is getting hotter
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the star is getting larger in diameter
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the star is getting less luminous
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the star is getting cooler
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the star is getting smaller in diameter
Questão 75
Questão
the location of the main sequence turnoff point on the H-R diagram of a cluster tells us its
Responda
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mass
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chemical composition
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age
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stellar population
Questão 76
Questão
which element CANT be used by high mass starts as a fuel in nuclear fusion reactions to obtain energy
Responda
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carbon
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hydrogen
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helium
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silicon
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iron
Questão 77
Questão
the boundary of a black hole is called the [blank_start]_[blank_end] [blank_start]_[blank_end]
Responda
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Event
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Horizon
Questão 78
Questão
einstine's theory of general relitivity explains gravity in terms of
Responda
-
the bending of space-time by matter, causing objects to follow curved geodesic paths
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quantum mechanical effects from the interactions of gravitons with higgs bosons
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a force of attraction between objects that depends on the electric charges of objects
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the natural tendency for earthy substances to seek the center of the universe
Questão 79
Questão
how do we know our galaxy has a very massove halo of "dark matter" if we cant see it
Responda
-
from the spectrum of the halo
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the dark matter does give off detectable radio waves
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the ages of planetary nebulae
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the dark matter affects the rotation of the galaxy
Questão 80
Questão
the diameter of our galaxy is approximately [blank_start]__[blank_end] light years
Responda
-
120000
Questão 81
Questão
if you lower the temperature of a normal gas in a container...
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-
it expands
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its pressure decreases
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its molecules speed up
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it ionizes
Questão 82
Questão
how do we know the interior structure of our sun
Responda
-
because it is a gas so we can see all the way into the center
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space probes can send bursts of x-rays through the sun's core
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its surface oscillation tell us about the interior (helioseismology)
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we have landed seismographs on the surface of the sun at night. (apocryphilology)
Questão 83
Questão
a type 1a supernove (which shows no hydrogen in its spectrum) results from the explosion of a
Responda
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very young star
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very high-mass star
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red dwarf
-
white dwarf
Questão 84
Questão
what is the most common type of star in our galaxy
Responda
-
red dwarf
-
white dwarf
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green giant
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blue dwarf
Questão 85
Questão
two stars, gimli and fezzik, are both spectral type m3, but fezzik has much greater luminosity than gimli. Therefore we know...
Responda
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gimli is hotter than fezzik
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gimli is cooler than fezzik
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gimli is larger than fezzik
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gimli is smaller than gezzik
Questão 86
Questão
the gravitational collapse of a white dwarf is prevented by
Responda
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degenerate electron pressure
-
degenerate neutron pressure
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energy production inside
-
hot gas pressure
Questão 87
Questão
the maximum mass a white dwarf can have is ___ solar masses
Responda
-
0.4
-
1.4
-
3.4
-
8
-
~100
Questão 88
Questão
when a star first begins its life on the main sequence, what primarily determines where the star is located on the sequence
Responda
-
its magnetic field strength
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its chemical composition
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its mass
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its age
Questão 89
Questão
the nuclear reactions in our sun produce energy because
Responda
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of the radioactive decay of helium necleus
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a helium nucleus weights less than four hydrogen nuclei that form it by fusion
-
the reactions pull energy out of the suns magnetic field and radiate it into space
-
the reactions pull energy out of the suns rotation and radiate it into space
Questão 90
Questão
pulsars are
Responda
-
black holes detected by their regular radio pulses
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neutron stars that beam energy as they rotate rapidly
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white dwarfs that change size
-
old planetary nebulae
Questão 91
Questão
which of these can produce a black hole?
Responda
-
type B supernova
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type 2 supernova
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type 1a supernova
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regular nova
Questão 92
Questão
how do the chemical composition of stars
Responda
-
from their colors
-
from their spectra
-
from their orbits
-
from samples collected by interstellar space probes.
Questão 93
Questão
the photosphere of the sun has a temperature pf approximately [blank_start]___[blank_end] kelvin
Responda
-
5800
Questão 94
Questão
sunspots are __ than the surrounding photosphere
Responda
-
hotter
-
brighter
-
cooler
-
bluer
Questão 95
Questão
where are the most neutrinos produced in the sun
Responda
-
center
-
chromosphere
-
photosphere
-
corona
Questão 96
Questão
the length of the sunspot cycle averages around ___ years
Responda
-
11
-
34
-
5
-
98
Questão 97
Questão
the very hot, low density outer layer of the suns atmosphere is the
Responda
-
corona
-
photosphere
-
aggitosphere
-
chromosphere
Questão 98
Questão
which stellar population formed first in our galaxy
Responda
-
population 1
-
population 2
-
population zero
-
they all formed at the same time
Questão 99
Questão
which of these stars would have the longest lifetime
Responda
-
1.4 solar mass star
-
0.4 solar mass star
-
type B star
-
50 solar mass star
Questão 100
Questão
the two most abundant gasses in the interstellar medium are [blank_start]___[blank_end] and [blank_start]___[blank_end].
Responda
-
hydrogen
-
helium
Questão 101
Questão
which of these objects in our galaxy is the oldest
Responda
-
an open cluster
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the m13 globular cluster
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the high mass cepheid star
-
our sun
Questão 102
Questão
what type of star produces a type 2 supernova
Responda
-
white dwarf
-
very high mass star
-
red dwarf
-
all of these
Questão 103
Questão
we can learn the masses of various stars by observing
Responda
-
star tempuratures
-
binary star orbits
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parallax shifts of stars
-
stellar flares
Questão 104
Questão
on a H-R diagram, most stars are located on the [blank_start]__[blank_end] [blank_start]___[blank_end].
Responda
-
main
-
sequence
Questão 105
Questão
the crab nebula is
Responda
-
a collapsing protostar
-
a giant molecular cloud in orion
-
i giant molecular cloud
-
a cluster of stars in the crab constellation
-
an expanding supernova remnant
-
the
-
largest globular cluster in the milky way
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