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23 Cards in this Set
- Front
- Back
Of the planets, ________ is the least dense, and could float on water |
Saturns |
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The great _____ spot of neptune was striking in 1989, but gone by 1995
|
Dark |
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Because it has a higher percentage of ___________, Neptune appears even bluer than Uranus |
Methane |
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At which planet can the pole remain in darkness for 42 yearsm then have 42 years of sunlight |
Uranus |
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The magnetic field tilts of which two bodies are the most unusual |
Uranus and Neptune |
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Essentially, the great red spot is |
A large cyclonic storm (hurricane) |
|
Jupiter puts back into space twice the energy it gets from the Sun |
True |
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Why does Saturn radiate even more excess heat than Jupiter? |
Helium rain falling inward generated heat as it descends |
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Differential rotation is when a planet's equatorial and polar regions rotate at different rates |
True
|
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Of the jovian planets, which generates the least internal heat? |
Uranus |
|
A gravitational assist, or slingshot, can be used to either speed up or slow down a spacecraft |
True |
|
Much of the water on Mars |
Is thoughts to be in a layer of permafrost just below the surface |
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Mars appears red due to __________ on its surface |
Iron oxide |
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Like the discovery of Uranus, the finding of Neptune was accidental |
False |
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Compared ot the terrestrial planets, the Jovian planets have _______________ average densities |
Low |
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Compared to Jupiter, the element ______________ is notably less common in Saturn's atmosphere, perhaps condensing to fall toward the core as rain |
Helium |
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Jupiter's atmosphere looks uniform and calm, with no visible detail |
FALSE MOTHEFUCKER |
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Alternating zones of rising and sining gas in Jupiter's atmosphere |
Create light and dark bands |
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Cometary impacts with Jupiter |
Have been observed from Earth at least twice |
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What is true of Jupiter's magnetosphere? |
It has a tail that extends at least to Saturns orbit |
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Small deviations in a planet's orbital motion |
Imply the nearby presence of a massive body |
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The only probe into the atmospheres of any jovian planet was launched by |
Galileo into Jupiter's equatorial zone |
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Like Jupiter, Saturn's rotation is fast and differential, with the __________ rotating fastest |
Equator |