Sound doesn't travel in space.
255
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
Some asteroids have other asteroids orbiting them.
131
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
Jupiter is bigger than all the other planets combined.
254
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124