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Astronomers Find the Edge of the Milky Way (skyandtelescope.org)
submitted 6 months ago by [A] to c/world
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cross-posted from: https://lemmy.bestiver.se/post/1066124

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[–] 3 points 6 months ago

One of the ways they used in this study was isochrone fitting, where you compare the evolution of stars in a cluster to figure out their age

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