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The Sun's surface is about 5,500 degrees — super hot!

The Sun's surface is about 5,500 degrees — super hot!

That is much hotter than an oven or a campfire. Its heat travels all the way across space to warm our planet.

🌙 All Sun Moon Stars facts →

More facts about Sun Moon Stars

The Sun is so big that about 1.3 million Earths could fit inside it. The Sun is so big that about 1.3 million Earths could fit inside it. The Sun is a giant ball of hot, glowing gas. The Sun is a giant ball of hot, glowing gas. The Moon has no light of its own — it reflects the Sun. The Moon has no light of its own — it reflects the Sun. Stars twinkle because their light wobbles through our air. Stars twinkle because their light wobbles through our air. The Moon's shape seems to change a little each night. The Moon's shape seems to change a little each night.