@NASA: There is more than meets the eye in this photo… The ring around the central galaxy cluster is evidence of dark matter, …
Summary
NASA shares an image showing a ring of dark matter around a galaxy cluster, illustrating the gravitational effects of invisible dark matter.
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There is more than meets the eye in this photo…
The ring around the central galaxy cluster is evidence of dark matter, the invisible glue holding the universe together. Dark matter doesn’t emit, reflect, or absorb light, but it has gravity like ordinary matter.
Scientists still have a lot to learn about dark matter, but @NASARoman aims to shed light on the mystery. Learn how Roman will teach us about this invisible substance:
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