The Milky Way's 2 biggest satellite galaxies are oddly lonely, study finds - Space.com

The Milky Way's system of small, orbiting satellite galaxies is quite unusual, a new 12-year study of other galaxies in the local universe has found. 
The Satellites Around Galactic Analogs (SAGA) s… [+5869 chars]

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Heart tissues beat half as strongly on the ISS as they do on Earth - Space.com
Paleontologists Unveil New Species of Sauropod Dinosaur - Sci.News

Launch Roundup: Vulcan ready for second flight; Hera mission set to study asteroid - NASASpaceflight.com
Northern lights primed to put on biggest show in decades over Canada - New York Post