Does a halo of mysterious dark matter swirl around every galaxy?

Many galaxies appear to have of darkish matter enveloping them, however discovering out if each galaxy is like that is an space of analysis, writes Chanda Prescod-Weinstein


| Remark

2 December 2020

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IF YOU ever go to a nature reserve that has labored with the Worldwide Darkish-Sky Affiliation to protect its view of the celebrities, then on a transparent night time you’ll be able to see the Milky Approach. Though we’re sure our residence galaxy is a spiral, to the bare, uninformed eye, it seems like a curved strip made up of many little dots of sunshine. There are such a lot of stars that they can seem uncountable.

Though these little lights appear , they will additionally really feel acquainted, like a distant avenue lamp. We now know that they’re distant , …



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