19-09-2019 20:45 via feedproxy.google.com

Hubble Spots a Dim, Dark Matter-Rich Galaxy

(Credit: ESA/Hubble & NASA, D. Calzetti)Some 30 million light-years from Earth, a faint monster lurks in the constellation Cetus the Whale. Astronomers dub the object UGC 695, and astronomers recently caught this image of it using the Hubble Space Telescope.
It’s a galaxy fainter than even the background brightness of our planet’s atmosphere, which makes it tough to see with Earth-bound telescopes.
These so-called “low-surface-brightness galaxies” get their signature
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