5. The Sun is the the main source that serves as the light bulb of Earth. Without the Sun, we would freeze to death.

30. The dwarf planet was the ninth planet from the sun but in 2006 was considered as a dwarf planet.

36. This was a “WIN” for the US in the US v USSR Space Race. US was the 1st to achieve

37. He landed on the moon in July 20, 1969.

38. Apollo 11 was the program NASA started to send humans to the moon.

39. Apollo 11 set out to return planetary samples back to Earth. They achieved their mission by bringing back some rock from the moon.