Astronomy: The Solar System Units- 19, 21-25, 34-39, and 51-52

Question 1 of 51

1

In the picture, what type of tides is Earth experiencing?

Select one of the following:

Spring tides
Neap tides
Weak tides
Leap tides

Explanation

Question 2 of 51

1

Mercury has a radius of 2440km and a mass of 3.30x10^23kg. What is Mercury's density?

Select one of the following:

5.423x10^12kg/km^3
5.423x10^11kg/km^3
5,423kg/km^3
5.42kg/km^3

Explanation

Question 3 of 51

1

The Earth has a density of 5.52kg/L and a volume of 1.082x10^24L. What is the mass of the Earth?

Select one of the following:

5.52x10^20kg
52,000kg
5.97x10^24kg
5.11x10^-24kg

Explanation

Question 4 of 51

1

If the Moon is in its First and Third Quarter phases, what type of tides is being experienced on Earth?

Select one of the following:

Leap Tides
Neap Tides
Spring Tides
Weak Tides

Explanation

Question 5 of 51

1

Compute the mass of Jupiter given observations of the Galilean moons: the moon Io takes 1.796 days to complete an orbit, and it orbits at an average distance of 423,000 km (units are in days/km/kg, so use G = 4.98x10^-10)

Select one of the following:

4.4x10^21kg
1.035x10^27kg
1.86x10^27kg
1.081x10^27kg

Explanation

Question 6 of 51

1

A galaxy is moving away from the Earth at a velocity of +100000m/s. To what wavelength would the H alpha line have shifted to? (assume the rest wavelength of H alpha is 656.25nm).

Select one of the following:

457nm
656.25nm
0.218nm
656.47nm

Explanation

Question 7 of 51

1

There is a star with an observed wavelength of 645nm and a rest wavelength of 650nm. How fast is the star moving, and is it moving away or towards the Earth?

Select one of the following:

-2.3x10^6m/s and moving towards the Earth
2.3x10^6m/s and moving away from the Earth
2.5x10^4m/s and moving towards the Earth
-2.5x10^4m/s and moving away from the Earth

Explanation

Question 8 of 51

1

There are two stars in a binary star system orbiting each other. Star Q is 10 solar masses and Star BB is 6 solar masses. They are 4 Au apart. How long does it take them to complete one orbit?

Select one of the following:

8yrs
2yrs
4yrs
1yr

Explanation

Question 9 of 51

1

Our lab has recorded a previously undetected electromagnetic pulse from deep space. Our equipment indicates that the pulse has an energy of 4.96x10^-28J. What is the pulse's approximate wavelength and then indicate placement on the electromagnetic spectrum?

Select one of the following:

550nm and it would be Greenish-Blueish Visible Light
1nm and it would be X-rays
1000nm and it would be Infrared
400nm and it would be Violet Visible Light

Explanation

Question 10 of 51

1

The Sun produces energy by:

Select one of the following:

Nuclear Fusion between Hydrogen atoms in its core
Nuclear Fission between Hydrogen atoms in its core
Nuclear Fusion between Helium atoms in its core
Nuclear Fission between Helium atoms in its core

Explanation

Question 11 of 51

1

What are the layers of the Sun from the innermost to outermost layer?

Select one of the following:

Convection Zone, Core, Radiative Zone, Photosphere, Chromosphere, Corona
Core, Radiative Zone, Convection Zone, Photosphere, Chromosphere, Corona
Radiative Zone, Convection Zone, Core, Photosphere, Corona, Chromosphere
Radiative Zone, Core, Photosphere, Corona, Convection Zone, Chromosphere

Explanation

Question 12 of 51

1

As the Sun progresses through its life cycle, it will have amounts of Hydrogen and _ amounts of Helium.

Select one of the following:

Lower, Lower
Higher, Lower
Lower, Higher
Higher, Higher

Explanation

Question 13 of 51

1

How long does it take for a photon to reach the surface of the Sun?

Select one of the following:

10 million years
10 thousand years
10 minutes
100 years

Explanation

Question 14 of 51

1

What are Solar Prominences?

Select one of the following:

Cool, dark spots on the Sun's surface
Solar winds or "belches" that spew photons towards the Earth
A huge plume of glowing gas channeled by magnetic fields
A winding up of the Sun's magnetic field

Explanation

Question 15 of 51

1

True or False:
Coronal Mass Ejections can affected the Earth's communications, satellites, and even power grids.

Select one of the following:

True
False

Explanation

Question 16 of 51

1

In this diagram, the Earth is experiencing Spring Tides.

Select one of the following:

True
False

Explanation

Question 17 of 51

1

Some lab equipment has recorded a burst of electromagnetic energy with a frequency of 10^6Hz. What is the wavelength of this electromagnetic energy, and where does it fit on the electromagnetic spectrum?

Select one of the following:

300nm and it is Blue Visible Light
300nm and it is Ultraviolet Light
1nm and it is X-rays
1m and it is a Radio Wave

Explanation

Question 18 of 51

1

The Solar Cycle is the change in Sunspot and Flare activity from year to year following approximetly an 11 year cycle.

Select one of the following:

True
False

Explanation

Question 19 of 51

1

Sunspots cause Solar Flares, which are brief but bright eruptions of hot gas in the chromosphere.

Select one of the following:

True
False

Explanation

Question 20 of 51

1

Sunspots are:

Select one of the following:

Large, dark regions on the surfaces of the sun.
Cooler than the surrounding surface.
capable of making magnetic arcs that can channel solar prominences.
All of the above

Explanation

Question 21 of 51

1

The picture represents what type of spectrum, characterized by bright lines at certain wavelengths separated by darker regions in which little or no radiation is emitted?

Select one of the following:

Absorption-line spectrum
Electromagnetic spectrum
Continuous spectrum
Emission-line spectrum

Explanation

Question 22 of 51

1

This picture represents an absorption-line spectrum, which results when light with a continuous spectrum passes through a cool gas.

Select one of the following:

True
False

Explanation

Question 23 of 51

1

The longer the wavelength of light, the higher level of energy it carries.

Select one of the following:

True
False

Explanation

Question 24 of 51

1

A blackbody is a theoretical object that reflects all the radiation falling on it.

Select one of the following:

True
False

Explanation

Question 25 of 51

1

Wien's law states that the hotter a body is, the more strongly it will radiate at short wavelengths.

Select one of the following:

True
False

Explanation

Question 26 of 51

1

A Red Giant Star is hotter than a Blue Giant Star.

Select one of the following:

True
False

Explanation

Question 27 of 51

1

A continuous spectrum is spectrum in which the intensity changes smoothly with the wavelength, and all colors are present.

Select one of the following:

True
False

Explanation

Question 28 of 51

1

According to Doppler Shift: Waves shorten as a source approaches the observer and lengthens as it recedes.

Select one of the following:

True
False

Explanation

Question 29 of 51

1

The planets in order from closest to the Sun to furthest from the Sun follow which order?

Select one of the following:

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Mars, Venus, Earth, Mercury, Jupiter, Uranus, Neptune, Saturn
Earth, Mercury, Venus, Jupiter, Mars, Neptune, Saturn, Uranus
Jupiter, Saturn, Earth, Mars, Venus, Neptune, Uranus, Mercury

Explanation

Question 30 of 51

1

The outer planets (Jupiter, Saturn, Neptune and Uranus) are also known as Terrestrial Planets.

Select one of the following:

True
False

Explanation

Question 31 of 51

1

Venus is the largest of the terrestrial planets

Select one of the following:

True
False

Explanation

Question 32 of 51

1

The orbits of the planets are roughly circular, although not quite.

Select one of the following:

True
False

Explanation

Question 33 of 51

1

The asteroid belt in the solar system is located between which two planets?

Select one of the following:

Earth and Mars
Mars and Jupiter
Jupiter and Saturn
Saturn and Neptune

Explanation

Question 34 of 51

1

The Kuiper Belt and the Oort Cloud are areas beyond Neptune where objects (asteroid, comets, dwarf planets..etc) exist, orbiting the Sun.

Select one of the following:

True
False

Explanation

Question 35 of 51

1

Venus is odd among the planets because it:

Select one of the following:

Has an sideways axis
Is composed like a gas giant, but is between terrestrial planets
Orbits the Sun opposite of the other planets
Rotates slowly, and backwards in comparison to other planets

Explanation

Question 36 of 51

1

Uranus' axis is nearly vertical, which is odd in comparison to the other planets, which axis' lie at distinct tilts.

Select one of the following:

True
False

Explanation

Question 37 of 51

1

The Gas Giants have a much lower density in comparison to the Terrestrial Planets because:

Select one of the following:

Only the Terrestrial Planets have large, solid iron cores
The Gas Giants are made of solely lighter carbon gases
The Gas Giants are very large with a large amount of mass
The volume of the Gas Giants is very small

Explanation

Question 38 of 51

1

The element Cooltonium has just been discovered. Scientist learn that it has a half-life of 20 years in which the parent atoms turn into another recently discovered element, Losertonium. A sample of Cooltonium has 10,000 atoms of Cooltonium and 0 atoms of Losertonium. How many atoms of Cooltonium will be left after 5 half-lives?

Select one of the following:

312.5 atoms
500 atoms
.003125 atoms
5,000 atoms

Explanation

Question 39 of 51

1

We are able to get close to the age of the Solar System based off of meteorites found on Earth.

Select one of the following:

True
False

Explanation

Question 40 of 51

1

Which is the correct order for the creation of the solar system (from earliest to latest)?

Select one of the following:

The planets formed first by hot gases, the Sun then formed afterwards, the moons and other satellites were then captured by the Sun and Planets.
The Sun formed first from hot gas, the Sun captured wandering planets, the planets captured wandering asteroids to make moons.
The Sun formed first from hot gases, then the planets formed by condensation and accretion, and moons and satellites were later captured by the planets.
The Sun formed, then the Sun spun off gas and dust which formed the planets, the planets spun off dust which solidified into moons

Explanation

Question 41 of 51

1

Condensation occurs when a gas cools and its molecules stick together to form liquid or solid particles.

Select one of the following:

True
False

Explanation

Question 42 of 51

1

The Earth is differentiated because its hot, molten state cooled very quickly.

Select one of the following:

True
False

Explanation

Question 43 of 51

1

It is believed the Earth was bombarded by meteorites early in its formation.

Select one of the following:

True
False

Explanation

Question 44 of 51

1

One way we detect exo-planets is through Doppler Shift.

Select one of the following:

True
False

Explanation

Question 45 of 51

1

The Earth is made of layers. The order of these layers from innermost to outermost is:

Select one of the following:

Solid core, liquid core, upper mantle, lower mantle, crust
Liquid core, solid core, upper mantle, lower mantle, crust
Solid core, lower mantle, upper mantle, liquid core, crust
Solid core, liquid core, lower mantle, upper mantle, crust

Explanation

Question 46 of 51

1

Convection taking place in the Earth's Mantle allows for Plate Tectonics which can significantly change the surface of the Earth.

Select one of the following:

True
False

Explanation

Question 47 of 51

1

The bright, white areas on the moon are called:

Select one of the following:

Maria
Highlands
Craters
Rilles

Explanation

Question 48 of 51

1

The Moon's large, smooth, dark areas are called:

Select one of the following:

Maria
Rilles
Highlands
Craters

Explanation

Question 49 of 51

1

The Maria are much older than the Highlands, as indicated by the large amounts of craters.

Select one of the following:

True
False

Explanation

Question 50 of 51

1

Due to synchronous rotation, the same side of the Moon is always facing the Earth.

Select one of the following:

True
False

Explanation

Question 51 of 51

1

What is the Greenhouse Effect?

Select one of the following:

It is an effect where plants grow significantly better in certain location on the Earth
It is a phenomenon caused by gases that traps heat in the Earth's atmosphere, keeping it warm.
It is a protective layer that reflects all dangerous solar rays from impacting the Earth
It is another name for the Earth's atmosphere

	Created by Rebekkah Gresh over 8 years ago

Astronomy: The Solar System Units- 19, 21-25, 34-39, and 51-52

Astronomy: The Solar System Units- 19, 21-25, 34-39, and 51-52

Question 1 of 51

In the picture, what type of tides is Earth experiencing?

Select one of the following:

Explanation

Question 2 of 51

Mercury has a radius of 2440km and a mass of 3.30x10^23kg. What is Mercury's density?

Select one of the following:

Explanation

Question 3 of 51

The Earth has a density of 5.52kg/L and a volume of 1.082x10^24L. What is the mass of the Earth?

Select one of the following:

Explanation

Question 4 of 51

If the Moon is in its First and Third Quarter phases, what type of tides is being experienced on Earth?

Select one of the following:

Explanation

Question 5 of 51

Compute the mass of Jupiter given observations of the Galilean moons: the moon Io takes 1.796 days to complete an orbit, and it orbits at an average distance of 423,000 km (units are in days/km/kg, so use G = 4.98x10^-10)

Select one of the following:

Explanation

Question 6 of 51

A galaxy is moving away from the Earth at a velocity of +100000m/s. To what wavelength would the H alpha line have shifted to? (assume the rest wavelength of H alpha is 656.25nm).

Select one of the following:

Explanation

Question 7 of 51

There is a star with an observed wavelength of 645nm and a rest wavelength of 650nm. How fast is the star moving, and is it moving away or towards the Earth?

Select one of the following:

Explanation

Question 8 of 51

There are two stars in a binary star system orbiting each other. Star Q is 10 solar masses and Star BB is 6 solar masses. They are 4 Au apart. How long does it take them to complete one orbit?

Select one of the following:

Explanation

Question 9 of 51

Our lab has recorded a previously undetected electromagnetic pulse from deep space. Our equipment indicates that the pulse has an energy of 4.96x10^-28J. What is the pulse's approximate wavelength and then indicate placement on the electromagnetic spectrum?

Select one of the following:

Explanation

Question 10 of 51

The Sun produces energy by:

Select one of the following:

Explanation

Question 11 of 51

What are the layers of the Sun from the innermost to outermost layer?

Select one of the following:

Explanation

Question 12 of 51

As the Sun progresses through its life cycle, it will have __________ amounts of Hydrogen and ___________ amounts of Helium.

Select one of the following:

Explanation

Question 13 of 51

How long does it take for a photon to reach the surface of the Sun?

Select one of the following:

Explanation

Question 14 of 51

What are Solar Prominences?

Select one of the following:

Explanation

Question 15 of 51

True or False: Coronal Mass Ejections can affected the Earth's communications, satellites, and even power grids.

Select one of the following:

Explanation

Question 16 of 51

In this diagram, the Earth is experiencing Spring Tides.

Select one of the following:

Explanation

Question 17 of 51

Some lab equipment has recorded a burst of electromagnetic energy with a frequency of 10^6Hz. What is the wavelength of this electromagnetic energy, and where does it fit on the electromagnetic spectrum?

Select one of the following:

Explanation

Question 18 of 51

The Solar Cycle is the change in Sunspot and Flare activity from year to year following approximetly an 11 year cycle.

Select one of the following:

Explanation

Question 19 of 51

Sunspots cause Solar Flares, which are brief but bright eruptions of hot gas in the chromosphere.

Select one of the following:

Explanation

Question 20 of 51

Sunspots are:

As the Sun progresses through its life cycle, it will have amounts of Hydrogen and _ amounts of Helium.

True or False:
Coronal Mass Ejections can affected the Earth's communications, satellites, and even power grids.