Washington State University

Andromeda's star-making days are slowing, and the data is real.

Andromeda's star-making days are slowing down, and not in a gentle, gradual way.

4 min readUW News
Andromeda's star-making days are slowing, and the data is real.
From UW News

A new study using data from NASA’s Hubble Space Telescope found that star formation in the nearby Andromeda galaxy has undergone a 500-million-year decline, with an even steeper drop in the last 40 million years. Andromeda, a spiral galaxy comparable in size to our Milky Way, is close enough to be seen with the unaided eye from areas with dark skies. Located about 2.5 million light-years from Earth, practically our cosmic backyard, Andromeda is close enough for astronomers to examine its stellar populations in detail and learn about the past of galaxies like our own.

Read the original at UW News