Quiz
Exam 1
Questions in this quiz (35)
1The average distance from earth to the sun is?
- A1 ly
- B1 AU
- C1 million km
- D1 million miles
- Enone of these
2Arrange the following distances in order from largest to smallest
I. kilometer
II. light-year
III. meter
IV. astronomical unit- AI, II, III, IV
- BIV, III, II, I
- CIII, I, IV, II
- DII, IV, I, III
3Gravity is a force which...
- Adepends on the masses of at least two objects
- Bacts over greater distances
- Ccontrols the orbits of the planets
- Dall of the above
4An observer on Earth's equator would find
- Apolaris directly overhead
- Bpolaris on the northern horizon
- Cpolaris in a mid-sky above the northern horizon
- Dno polaris in sky
- Epolaris as the brightest star in the sky
5If polaris, the north star, appears 52 degrees above your northern horizon, what is your latitude?
- A90 degrees N
- B75 degrees N
- C52 degrees N
- D38 degrees N
- E29 degrees N
6Copernicus greatest contribution to astronomy was
- Ahis model of the universe
- Bhis telescope observations
- Chis discovery of the three laws of motion
- Dhis 20 years of careful observations of the planets
- Ehis none obvious point of view of the universe
7What day of the year is the Sun's position in the sky at noon is the highest for the northern hemisphere?
- Avernal equinox
- Bautumn equinox
- Csummer solstice
- Dwinter solstice
8Neptune is on average 30 AU from the sun. What is the approximate orbital period of neptune?
- A10 years
- B30 years
- C56 years
- D123 years
- E164 years
9Central to the geocentric model is the assertion that the observed motion of the planets and the sun are the result of _________.
- Aorbital motion around earth and by epicycles
- Bmotions by epicycles
- Corbital motion of earth around the sun
- Dorbital motion of all planets around sun
10What statement is false?
- Amany of classical greek astronomers concluded that earth is stationary because they detected no parallax
- Bgalileo's observations of phases of venus supported copernican point of view on the solar system
- Cusing his laws of planetary motion and gravity, newton was able to prove kepler's laws
- Djust like ptolemaic model before it, keepler's model will collect a notable error in a thousand years
11The 3rd quarter moon rises
- Aat about noon
- Bat sunrise
- Cat sunset
- Dat about midnight
- Eduring the last week of each calendar month
12Keepler's second law implies that
- Aa planet should move at its slowest speed when it is closest to sun
- Bthe most massive planets will have the greatest speed in their orbits
- Cthe speed of a planet in its orbit depends on the size of the epicycle
- Da planet should move at its slowest speed when it is furthest from sun
- Ethe mass of the planet determines how far the planet is from the sun
13The orbit of the planet jupiter is ellipse with the sun at one focus. What is located at the other focus?
- Athe asteroid belt
- Bearth
- Csaturn
- Djupiter
- Enothing
14Which apparent visual magnitude is the dimmest?
- A3.07
- B2.53
- C3.98
- D8.07
- E-1.46
15If both, the mass of a satellite orbiting Earth and its orbit would increase by a factor of 2 then gravitational pull from earth on that satellite would...
- Anot change
- Bincrease by factor of 2
- Cincrease by factor of 4
- Ddecrease by factor of 2
- Edecrease by factor of 4
16Star betelgeuse is 520 light years from sun. If humans could travel with the speed of light, how long would it take to reach this star?
- A520 ly
- B520 y
- C1040 y
- D1040 ly
- Ethere is not enough information
17At what phase moon is setting at sunrise?
- Afull moon
- Bwaning gibbous
- Cwaxing crescent
- Dwaning crescent
- Ewaxing gibbous
18If today is waxing gibbous moon when would you expect to see full moon?
- Ain a several days
- Bin a week
- Cin two weeks
- Din three weeks
- Ein a month
19A model of the universe with earth at the center is described by?
- Akepler
- Btycho
- Cptolemy
- Dcopernicus
- Egalileo
20If an observer drives south toward decreasing latitude, the number of circumpolar stars (stars that never go below the horizon) that observer sees at night would
- Aremain constant
- Bdecrease
- Cincrease
- Dunknown unless you also state the longitude of the observer
21If today is 1st quarter moon when would you expect to see full moon?
- Ain several days
- Bin a week
- Cin two weeks
- Din three weeks
- Ein a month
22What statement is true?
- Alunar eclipses can be seen by about half of the earth at once
- Ba solar eclipse can occur only during full moon phase
- Ca lunar eclipse can occur only during new moon phaset
- Dthere always many more lunar eclipses than solar
23What would be the angle between the sun and the southern horizon at noon on the day of autumn equinox in new york, ny (40 degrees N)?
- A26.5
- B40
- C50
- D73.5
- E90
24What would be the angle between the sun and the southern horizon at noon on the day of winter solstice in Seattle, WA (47 degrees N)?
- A19.5
- B43
- C47
- D66.5
- E90
25Jim lives in a place where once a year, on the day of summer solstice, sun doesn't set below horizon. Where does Jim live?
- Aon antarctic circle
- Bbelow antarctic circle
- Cabove arctic circle
- Dbetween tropic of cancer and arctic circle
- Eon arctic circle
26Jim lives in a place where twice a year, on the days of equinox, sun is directly overhead. Where does jim live?
- Aon equator
- Bon tropic of cancer
- Con tropic of capricorn
- Dbetween equator and tropic of cancer
- Ebetween equator and tropic of capricorn
27A "diamond ring" effect could be observed during a total eclipse of the sun
- ATrue
- BFalse
28Navigators can find their latitude in the northern hemisphere by measuring the angle from the northern horizon to the northern celestial pole (marked by the north star, currently polaris)
- ATrue
- BFalse
29Astronauts in the spacestation appear to be weightless because there is no gravity in space
- ATrue
- BFalse
30If a spaceship achieves speed equal or greater than escape velocity it will not return to earth
- ATrue
- BFalse
31If a spaceship follows a closed orbit it will return to earth despite how distant is the aphelion
- ATrue
- BFalse
32The spacestation needs a lot of rocket fuel to stay on the orbit to overcome gravity
- ATrue
- BFalse
33Speed of geostationary satellites is greater than speed of low earth orbit satellites
- ATrue
- BFalse
34Gravitational force that sun exerts on a planet is much greater than gravitational force this planet exerts on the sun
- ATrue
- BFalse
35Copernicus was the first to propose that earth moved around the sun
- ATrue
- BFalse
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- Astronomy Quiz on Exam 1 , created by Trent Shafer on 01/05/2017.
- Author
- Trent Shafer
- Language
- English
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