21. What is the International Space Station?
a) A space station orbiting the Earth, jointly operated by several countries
b) A space station orbiting the moon
c) A space station orbiting Mars
d) A space station orbiting a black hole
22. What is the name of the mission that sent the first human-made object, Sputnik 1, into space?
a) Mercury
b) Gemini
c) Apollo
d) Sputnik
23. What is the name of the spacecraft that carried the first humans to orbit the Earth?
a) Apollo 11
b) Gemini 3
c) Mercury 7
d) Soyuz 1
24. What is the name of the first space shuttle to be launched?
a) Discovery
b) Columbia
c) Challenger
d) Atlantis
25. What is the Hubble Space Telescope?
a) A telescope located on the surface of the moon
b) A telescope located on the International Space Station
c) A telescope located on the surface of Mars
d) A telescope located in Earth’s orbit
