TIL the Sun is 864,400 miles (1,391,000 kilometers) across. This is about 109 times the diameter of Earth. The Sun weighs about 333,000 times as much as Earth.

Read more: https://coolcosmos.ipac.caltech.edu/ask/5-How-large-is-the-Sun-compared-to-Earth-

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  1. Exactly how does one determine the weight of a star/planet/moon?

    I get comparative mass, but weight? Isn’t that relative? Like, does the earth weigh X tons, when standing on itself, but only 1/6th of that when standing on the moon?

  3. “Look at you! You need to cut down on the hydrogen and helium! If you keep this up you’ll become a Red Giant star in just a few billion years! I’m prescribing a low helium diet, and I want you do do more coronal mass ejections. Now call me if you break out in sun spots”

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