Jack's blog consists of random thoughts, found items, philosophy and humor.
The new results from NASA’s Hubble Space Telescope are contrary to predictions and now astronomers are left trying to explain dark matter’s seemingly oddball behavior in the Abell 520 merging galaxy cluster.“This result is a puzzle,” says astronomer James Jee, project scientist in the department of physics at the University of California, Davis, who led the Hubble study. “Dark matter is not behaving as predicted, and it’s not obviously clear what is going on. Theories of galaxy formation ...