Galaxies can die?! | Quenching 101
Galaxies are made up of billions of stars. And stars can die. So - does that mean a galaxy can die? Technically yes, if you stop it from making more stars after the old ones have died. Let's recap some of the processes we think can do that...
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Dr Becky Smethurst is an astrophysicist researching galaxies and supermassive black holes at Christ Church at the University of Oxford.
http://drbecky.uk.com