Karl Menten (Max-Planck-Institut für Astronomie)
Last week we covered multiple star systems, but what if we added thousands or even millions of stars to the mix? A star cluster. There are different kinds of clusters, though. Open clusters.
The properties of the Milky Way's satellite galaxies provide critical clues to how galaxies form. However, the number of Milky Way satellites and their properties do not y agree with well-estab.
This movie shows the evolution of the stars in Leo IV, a dim dwarf galaxy in the halo of our Milky Way galaxy. The NASA/ESA Hubble Space Telescope measured the ages of.
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