Spiral galaxy in Ursa Major
NASA, ESA, A. Reese (STScI/JHU)
The following is an excerpt from the monthly Launchpad newsletter, where resident space expert Leah Crane travels through the solar system and beyond. You can sign up for Launchpad for free here.
Since before I was born, cosmologists have been fighting over the Hubble constant, which describes the rate of expansion of the universe. Well, we may finally have a resolution.
The discussion about the rate of expansion of the universe was first discussed by astronomer Gerard de…
Source: www.newscientist.com
