Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
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
Summer on Uranus lasts for 21 years.
358
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
A comet's tail always points away from the sun.
2
Sound doesn't travel in space.
255