Tag: Andromeda Galaxy
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Weird X-Rays Spur Speculation about Dark Matter Detection
[ I am reviving the Bowler Hat Science blog as a quick way to link all my new publications. Subscribe to the feed to keep up with all my stories! ] Weird X-Rays Spur Speculation about Dark Matter Detection From Scientific American: Many major discoveries in astronomy began with an unexplained signal: pulsars, quasars and…
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Why do half of Andromeda’s satellite galaxies orbit in a plane?
Our local group of galaxies—known imaginatively as the Local Group—has two huge galaxies: the Milky Way and M31, also known as the Andromeda Galaxy. Both of these galaxies are large enough to have a number of satellites, including the substantial Magellanic Clouds and M33 (Triangulum Galaxy). However, most satellites are dwarf galaxies, very faint and…
Bowler Hat Science 