14. What is Hubble?
Hubble is the name of a scientist who discovered a relationship between the distance to a star and its speed with which it is moving away from us. The famous space telescope that orbits Earth has been named the Hubble Space Telescope.
What is ISS?
This stands for the International Space Station. It is a large football size platform that orbits about 600 kilometers above Earth and in which humans can stay for many months.