Monday, February 27, 2023

Brain the size of a planet, itty bitty...star?

 Exoplanet TOI-5205b. It's a gas giant the same size as Jupiter, or thereabouts.

It orbits the red dwarf TOI-5205.

Except there's a problem. It orbits at a 4 day closeness and it is only a quarter the size of the star.

By the way, this can't happen.

Per our models, the itty bitty red star can't possibly have given off enough gas to form something the size of Jupiter, or even a gas giant at all.

So, are our models wrong?

Or is something else going on? Maybe the planet was captured? It seems awfully close for that, though.

More likely we have something wrong in the math somewhere.

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