News tagged with galaxies

Neutral hydrogen gas in galaxy clusters

Most galaxies are members of a cluster, a grouping of several to thousands of galaxies. Our Milky Way, for example, is a member of the "Local Group," a set of about fifty galaxies whose other large member is the Andromeda ...

dateSep 09, 2015 in Astronomy
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Will the Big Bang go backwards?

Imagine the Big Bang in your mind. You're picturing galaxies hurtling past in all directions, like so much star shrapnel from a celestial pinata.

dateSep 08, 2015 in Astronomy
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