Why They Don’t Melt Away
Comets are not just ice balls; they also have dust and gas mixed in. This mix gives them a kind of protection, like wearing a coat on a cold day, even if the outside starts to melt, the inside stays cool enough for the comet to keep moving through space.
Also, comets are not always near the Sun, they come close only once every few years or even centuries. So even though it feels like they're getting super hot, they have time to rest and recover before their next visit.
Examples
- Imagine wearing a coat on a warm day, even if you start to sweat, your body doesn’t melt completely.
- If you left an ice cube near a lamp, it would start melting, but not all the way through.
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See also
- What If the Moon Was Made of Cheese?
- What Causes a Solar Eclipse Exactly?
- What's the Difference Between a Comet and an Asteroid?
- What If We Could Live on Mars?
- Why Do We See the Same Side of the Moon?
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Categories: Space · comets,solar system,space science