Hubble Space Telescope finds galaxy with weirdly little dark matter

Astronomers may not know what dark matter is, but they do know that galaxies are supposed to contain a lot of the shadowy, invisible substance. 

Dark matter makes up the lion’s share of a galaxy’s mass, and it’s critical to hold a galaxy’s stars, gas and dust together. So, when scientists find evidence twice over that a certain galaxy seems to have a tiny fraction of the dark matter it ought to have, astronomers sit up and pay attention. And that’s where recent observations with the venerable Hubble Space Telescope come in.

Read The Full Story