From http://status.hackerposse.com/url/24632 on Mastodon: Astronomers Observe Blobs of Dark Matter Down to a Scale of 30,000 Light-Years Across Although dark matter appears to dominate the mass of the Universe, astronomers still don't know what it is and haven't been able to study it in the lab. But its impact on the Universe can be mapped, thanks to gravitational lensing…