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Solar System
โ๏ธ
The Sun
โ๏ธSolar System
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โ๏ธThe Sun
Our star; 1.4 million km wide; the source of all energy, light and life on Earth
Key Facts
- 199.86% of the Solar System's mass; surface temperature 5,500ยฐC; core temperature 15 millionยฐC
- 2A G-type main-sequence star (G2V) โ one of 200โ400 billion stars in the Milky Way galaxy
- 3Will become a red giant in ~5 billion years, swallowing Mercury, Venus and possibly Earth
๐ก Light from the Sun takes 8 minutes and 20 seconds to reach Earth, but the energy took 100,000 years to travel from the Sun's core to its surface
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