Dark matter might be harder to detect because it’s not from our galaxy

 作者:葛粕     |      日期:2019-03-15 03:12:01
ESA/Gaia/DPAC By Leah Crane Astronomers recently revealed that our galaxy, the Milky Way, devoured a so-called “sausage” galaxy about 10 billion years ago. Now it seems this sausage might make finding dark matter ever harder. We can’t track dark matter directly because it is invisible and can pass straight through normal matter. But the location of dark matter appears to coincide with regular matter,