Comets are like icy snowballs that travel through space, they're made of ice, dust, and rocks. When comets get close to the Sun, the heat makes their ice melt, creating a glowing tail that we can see from Earth. Asteroids, on the other hand, are more like rocky lumps with no ice inside them, so they don't glow as much.
The Big Difference
Comets come from very cold places far away in space, and they get bright when they near the Sun. Asteroids live closer to the Sun, mostly between Mars and Jupiter, and they stay dull most of the time.
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See also
- What's the Difference Between a Comet and an Asteroid?
- What Causes a ‘Comet’ to Shine So Brightly?
- How Does a ‘Comet’ Differ from an ‘Asteroid’?
- How Do ‘Comets’ Travel Through Space and Why Are They Bright?
- What Makes a Comet ‘Bright’ When It Approaches the Sun?
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