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Science

Igel

(37,033 posts)

1. Perhaps a bit of the lithium.

Reply to eppur_se_muova (Original post)

Tue Jul 22, 2025, 10:01 PM

Jul 22

But if it's pre-main sequence it's not quite at hydrostatic equilibrium. Still losing mass from bipolar jets, its temperature coming from all the gravitational energy from the infalling matter becoming kinetic--thermal.

Tidal forces may be slowing the companion's reaching the main sequence.

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Companion for Betelgeuse confirmed! Beloved red star has a blue-white buddy (earthsky.org) [View all] eppur_se_muova Jul 22 OP

Perhaps a bit of the lithium. Igel Jul 22 #1