What is the plane of the earth's orbit around the sun?
The ecliptic.
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What is the mean distance from the earth to the sun?
1 AU
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What is the name of the band along which the planets appear to move?
The Zodiac
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What are the shapes of planetary orbits?
Elliptical, slightly inclined to the ecliptic
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How can the atmosphere of Venus be used to show the dangers of global warming?
It is very hot and the atmosphere is 96.5% CO2!!!!
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How are space probes used to explore the solar system?
They can take pictures of other bodies, they can carry out tests to determine compositions of atmosphere and surface.
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What are the problems with manned exploration?
Muscle wastage, phycological problems, bone density loss
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Which planets have satellite systems with a variety of structures and origins?
Mars and Venus
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Describe planetary rings.
They are made of smallish particles of rock and dust. There are shepherd moons to keep them tidy. The outer rings rotate more slowly than the inner rings.
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Other cards in this set
Card 2
Front
Where are asteroids found?
Back
Asteroid belt
Card 3
Front
What is the order of the planets?
Back
Card 4
Front
What is the plane of the earth's orbit around the sun?
Back
Card 5
Front
What is the mean distance from the earth to the sun?
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