The Giant Planets

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Questions Bank

Our Place in the Universe
Patterns in the Skymotions of Earth
Laws of Motion
Light and Telescopes
The Formation of Stars and Planets
Terrestrial Worlds in the Inner Solar System
Atmospheres of Venus, Earth, and Mars
The Giant Planets
Small Bodies of the Solar System
Measuring the Stars
Our Star: The Sun
Evolution of Low-Mass Stars
Evolution of High-Mass Stars
The Expansion of Space
The Realm of the Galaxies
Our Galaxy: The Milky Way
Modern Cosmology and the Origin of Structure
Life in the Universe

All Questions

Question 1

Free

True/False

The giant planets are made primarily of carbon dioxide and methane.

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Question 2

Free

True/False

Jupiter is approximately 30 times more massive than the Earth.

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False

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Question 3

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True/False

As seen from the outer giant planets,the Sun would appear as simply a very bright star in a sea of fainter stars.

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Question 4

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True/False

Jupiter's mass is more than twice the mass of all the other planets combined.

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Question 5

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True/False

The composition of the giant planets is consistent with solar abundance,but not with the composition of the universe as a whole.

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Question 6

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All the giant planets,not just Jupiter,have atmospheric bands and storms.

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Question 7

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The different cloud layers seen in Jupiter's bands represent clouds at different altitudes in Jupiter's atmosphere.

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Question 8

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On the giant planets,the atmospheric vortices that occur almost always lie between oppositely directed zonal winds.

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Question 9

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Jupiter and Saturn contain solid rocky cores that are approximately 5 to 10 times the mass of the Earth.

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Question 10

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Jupiter radiates 70 percent more energy than it receives from the Sun,mostly because it is still contracting under its own gravity.

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Question 11

True/False

Uranus and Neptune are less massive than Jupiter and Saturn,probably because they formed earlier than Jupiter or Saturn.

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Question 12

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Uranus and Neptune are called ice giants because they have deep salty oceans that give rise to their strong magnetic fields.

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Question 13

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Jupiter's strong aurorae (figure below)result from particles ejected by Io's volcanoes.

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Question 14

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The strong magnetic fields of Uranus and Neptune arise from magnetic dynamos in their liquid rocky cores.

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Question 15

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When charged particles oscillate around magnetic field lines of a planet they emit radiation in the microwave region of the spectrum.

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Question 16

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Of the giant planets,only Saturn and Jupiter have ring systems.

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Question 17

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It is theoretically possible for Earth to someday have a temporary ring structure.

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Question 18

True/False

The presence of shepherd moons keeps the giant planets' ring systems completely stable and the rings will last forever.

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Question 19

Multiple Choice

The gas giants are composed primarily of:

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hydrogen

helium

water

ammonia

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Question 20

Multiple Choice

The compositions of Uranus and Neptune differ primarily from that of Jupiter and Saturn in that the outer two planets contain more:

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hydrogen

helium

water ice

carbon dioxide

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