Space Facts for Kids
Out-of-this-world facts about the universe
The Andromeda Galaxy is heading toward the Milky Way and will collide with it in about 4.5 billion years.
Halley's Comet is visible from Earth about every 76 years โ it will next appear in 2061.
There is a giant hexagon-shaped storm on Saturn's north pole that is bigger than Earth.
Near a black hole, time actually slows down โ the closer you get, the slower time passes for you.
Earth is not a perfect sphere โ it's slightly squashed at the poles and bulges at the equator.
The Hubble Space Telescope has travelled more than 4 billion miles while orbiting Earth since 1990.
In about 5 billion years, the Sun will expand into a red giant star big enough to swallow Mercury, Venus, and possibly Earth.
Saturn's moon Titan has lakes and rivers, but they're made of liquid methane, not water.
There are rogue planets that float through space without orbiting any star at all.
The Sun loses about 4 million tons of mass every second as it converts hydrogen into energy.