Astronomers have discovered a dark galaxy that doesn't give off visible light and is mostly made of dark matter.
Image: ESA/Webb, NASA & CSA, J. Lee and the PHANGS-JWST Team; ESA/Hubble & NASA, R. Chandar Acknowledgement: J. Schmidt
In most cases, galaxies share the same basic ingredients. They’re usually made up of tons of gas and stars, with dark matter surrounding them all and a black hole spinning in the center. Because most have stars, you can usually see the light those stars give off, like in the image above. However, in dark galaxies, that isn’t the case.
And that’s exactly what FAST J0139+4328, a small dwarf galaxy located just 94 million light-years away is doing right now. The possible dark galaxy was discovered by a group of astronomers led by Jin-Long Xu of the Chinese Academy of Sciences in Beijing. Their findings have been accepted intoWhile the discovery of a possible dark galaxy is exciting, it’s important to understand that galaxies go through different stages of development. Mostbecause they have tons of stars within them.
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