How much blacker could this galaxy be?
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How much blacker could this galaxy be? The answer is none, none more black.
"Candidate Dark Galaxy-2" appears to be 99.99% dark matter, detectable only by the way its gravity holds together a surrounding set of star clusters.
https://www.science.org/content/article/hubble-spotted-dark-galaxy-s-least-99-9-dark-matter #space #science #nature
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How much blacker could this galaxy be? The answer is none, none more black.
"Candidate Dark Galaxy-2" appears to be 99.99% dark matter, detectable only by the way its gravity holds together a surrounding set of star clusters.
https://www.science.org/content/article/hubble-spotted-dark-galaxy-s-least-99-9-dark-matter #space #science #nature
By definition, it's really hard to see a galaxy that's mostly made of dark matter. Finding this one required doing a statistical search for globular clusters that were gathered around apparent nothingness.
Full paper at link.
https://iopscience.iop.org/article/10.3847/2041-8213/adddab/meta #space #science #astronomy
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R relay@relay.infosec.exchange shared this topic
