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niktemadur ,

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.

WhiskyTangoFoxtrot ,

Goddammit, Barry.

Everythingispenguins ,

Always trying to compromise

Johanno ,

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

niktemadur ,

Meanwhile, Pluto and Charon noticeably orbit each other, the barycenter being fully outside of Pluto’s surface.

Klear ,

And Jupiter is so massive that its barycentre is (barely!) outside of the sun!

ByteJunk ,
@ByteJunk@lemmy.world avatar

I don’t think the barycentre is inside the sun? Wikipedia says on the barycentre article:

When the less massive object is far away, the barycenter can be located outside the more massive object. This is the case for Jupiter and the Sun; despite the Sun being a thousandfold more massive than Jupiter, their barycenter is slightly outside the Sun due to the relatively large distance between them.[2]

hypertext5689 ,

I don’t think the barycentre is inside the sun?

The Jupiter-Sun barycentre in outside the sun.

The Earth-Sun barycentre is inside the sun.

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