Summer on Uranus lasts for 21 years.
358
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Buzz Aldrin’s mother’s maiden name was Moon.
9
Astronauts get taller when they are in space.
224
The earth rotates more slowly on its axis in March than in September.
145
Only 55% of Americans know that the sun is a star.
986