It takes a long exposure with a good telescope to capture enough faint light from the galaxy to reveal its colors and the details of its spiral structure. Still, if you get to see the Andromeda ...
The Hubble Space Telescope has captured nearly 7,400 exposures of the Andromeda Galaxy, creating a mosaic image that reveals over 100 million stars and thousands of star clusters within its disk.
neighboring Andromeda galaxy, as it will unfold over the next ... called the Keck Cosmic Web Imager on the 10-meter Keck telescope on Mauna Kea, Hawaii. It’s hoped that KCWI will allow ...