1. Galaxy with Less Dark Matter
Found Year: 2018.
Bruno Binggeli and Alan Sandage found it.
Where: The Ultra Defuse Galaxy
The material that makes up around 85% of all matter in the cosmos is known as dark matter. Dark matter is thought to be present everywhere, therefore the discovery in March 2018 of a new galaxy with essentially no dark matter startled scientists.
Galazy Dark Matter-Less ©Alamy/Asar Studios
Ultra Defuse Galaxy was the name given to the galaxy when Allan Sandage and Bruno Binggeli identified it in 1984. It is a very low luminosity galaxy that is 65 million light-years away from Earth. The confirmation of the presence of both extremes of dark matter content in these kinds of galaxies was made in 2018.
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