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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
Astronauts cannot burp in space.
232
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
The sun is 330,330 times larger than the earth!
190
More than 20 million meteoroids enter Earth's atmosphere every day.
139