Astrophysicists have discovered the presence of transverse rotation (in the plane of the sky) in three dwarf spheroidal galaxies, a very faint type of galaxies and difficult to observe, which are orbiting round the Milky Way; this helps to trace their evolutionary history.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/07/210727121247.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/07/210727121247.htm
Three dwarf spheroidal galaxies found to rotate
![Three dwarf spheroidal galaxies found to rotate]()
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July 27, 2021
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