Sound doesn't travel in space.
255
Summer on Uranus lasts for 21 years.
358
The earth travels through space at 660,000 miles per hour.
189
The heart of an astronaut actually gets smaller when in outer space.
216
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14