No
No. The stars are too hot to visit and too far away to get to.
Astronauts can see planets, stars, and species.
stars and rockes
Stars!
Stars.
Stars are balls of burning gas. So, no, astronauts cannot land on stars, since they are so bright and are too hot.
Yes, astronauts can visit the moon at any phase of the lunar cycle. The visibility of the moon's surface features may vary depending on the phase, but this does not prevent astronauts from landing or exploring the moon.
Yes. Astronauts do study the moon. In particular, Astronomers study the planets, stars and outer space.
No astronauts have been there since 1972.
Never or else they would get sucked into it.
so they can breathe
No, it makes no difference what phase the moon is in.