https://xkcd.com/2898

Alt text:

“Some people say light is waves, and some say it’s particles, so I bet light is some in-between thing that’s both wave and particle depending on how you look at it. Am I right?” “YES, BUT YOU SHOULDN’T BE!”

  • niktemadur@lemmy.world
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    7 months ago

    It’s called a barycenter, kids, a common center that both objects circle around. That common center happens to be inside the sun, but that’s a topic for next week’s class in this semester’s AP Astrophysics program.

    • Johanno@feddit.de
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      7 months ago

      Same for earth and moon. The center is inside earth. But not that close to the center of the earth itself