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Rocky 'super-Earth' planet spotted orbiting one of the Milky Way's oldest stars - Space.com

Rocky 'super-Earth' planet spotted orbiting one of the Milky Way's oldest stars - Space.com

Rocky 'super-Earth' planet spotted orbiting one of the Milky Way's oldest stars - Space.com
Jan 12, 2021 51 secs

The universe has been making rocky planets for a long, long time.

One of the oldest stars in the Milky Way galaxy hosts an unusually hot, rocky "super-Earth" planet, a new study reports.

The abundance of these elements has built up over time in the Milky Way and other galaxies, as more and more stars churn these materials out and expel them into space when they die in supernova explosions. .

These stars are known to have distinctly fewer heavy elements than typical stars in the Milky Way. .

"TOI-561b is one of the oldest rocky planets yet discovered," Weiss said in the UC-Riverside statement!

"Its existence shows that the universe has been forming rocky planets almost since its inception 14 billion years ago.".

But these two other planets are too big, and not dense enough, to be rocky, unlike TOI-561b.

"Though this particular planet is unlikely to be inhabited today, it may be a harbinger of many rocky worlds yet to be discovered around our galaxy's oldest stars," Kane said in the statement. .

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