Hello your answer is down below!!
1. is to get around the Earth’s atmosphere so that they can get a clearer view of the planets, stars, and galaxies that they are studying.
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2. The ocean wants to visit the sun and moons house , because the sun and the moon created waves/tides.
( part 2 answer ) The sun thinks that it helps the ocean make waves/tides, but actually the moon dose most the work.
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3. They think that the moon is the only think that makes tides in the ocean, and here is some proof: The Sun is far away from the earth to make tides.