Venus Questions

How long is Venus' day? How does this compare to the Venutian year?
Compare the rotation of the earth to the rotation of Venus.
Name the main component of Venus' atmosphere.
What are Venus' clouds made of? Discuss the difference in wind speeds at the surface and at the cloud tops.
Name the first U.S. spacecraft to arrive at Venus.
Why are the majority of the craters on Venus either large or in clusters?
Describe the "pancake" volcanoes found on Venus.
Why do scientists believe that there is little geological activity on Venus?
What is the difference between a coronae and an arachnoid? Why is there so much interest in these features?
Why is one Magellan cycle 243 days long?

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