Galaxy clusters are graveyards for Milky Way-like galaxies

The low-mass, dusty, irregular galaxy NGC 3077 is actively forming new stars, has a very blue center, and has a hydrogen gas bridge connecting it to the nearby, more massive M81. As one of 34 galaxies in the M81 Group, it’s an example of the most common type of galaxy in the Universe: much smaller and lower in mass, but far more numerous, than galaxies like our Milky Way. The young stars within it have formed from gas reservoirs still present within this galaxy, indicating an “alive” galaxy. (<a href="https://commons.wikimedia.org/wiki/File:NGC_3077_Hubble.jpg" rel="noopener ugc nofollow" target="_blank">Credit</a>: ESA/Hubble and NASA) <a href="https://medium.com/starts-with-a-bang/galaxy-clusters-are-graveyards-for-milky-way-like-galaxies-00778a26b490">Read More</a>