What is the International Space Station? How fast does the International Space Station Travel? Why do we put telescopes in space? How far can the Hubble telescope see? What is a space probe? When did astronauts get to drive lunar rovers on the moon? When did the first robot rover go to Mars? Where is the largest telescope in the world? Where is the largest radio telescope? When was the first radio telescope built? How do we get information from spacecraft? What is a spectrometer?