11. What is the Hubble Space Telescope?
a) A telescope on Earth
b) A telescope in space
c) A radio telescope
d) A telescope that can only observe black holes
12. What is the name of the mission that put the first humans on the moon?
a) Apollo 11
b) Challenger
c) Columbia
d) Discovery
13. What is a planet?
a) A celestial body that orbits a star and is large enough to have its own gravity, but not large enough to ignite nuclear fusion in its core
b) A celestial body that orbits a star and is small enough to not have its own gravity
c) A celestial body that orbits a black hole
d) A celestial body that orbits a pulsar
14. What is a moon?
a) A planet that orbits a star
b) A star that orbits a planet
c) A celestial body that orbits a black hole
d) A natural satellite that orbits a planet
15. What is the Kuiper Belt?
a) A region of space beyond the orbit of Neptune, filled with icy objects
b) A region of space beyond the orbit of Mars, filled with asteroids
c) A region of space beyond the orbit of Jupiter, filled with gas and dust
d) A region of space beyond the orbit of Pluto, filled with comets
