A sequence of snapshots from a simulation showing a red giant star tunneling through a high density gas clump. The star is moving downward in the illustration, as indicated by the bow-shaped “onion skin” surfaces of constant density. Soon after the star plunges into the clump, it develops a high temperature “blister” at the point of impact and a full turbulent wake behind it. Credit: Georgia Tech
Why is the center of the Milky Way filled with young stars but has very few old ones. According to the theory, the remnants of older, red giant stars are still there – they just aren’t bright enough to be detected with telescopes...
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