Microlensing Event in the Large Magellanic Cloud May Reveal Primordial Black Hole
Summary
A star in the Large Magellanic Cloud briefly brightened on December 18, 2019, in a smooth symmetrical event lasting about an hour, consistent with gravitational microlensing. The lensing object has been named Phoebe, and a new paper proposes it could be a primordial black hole, presenting one of the most intriguing puzzles in modern astronomy.
Source
bskyMicrolensing Event in the Large Magellanic Cloud May Reveal Primordial Black Holetwelvemountains.comKey quotes
· 4 pulledOn the night of 18 December 2019, a star in our satellite galaxy, the Large Magellanic Cloud, briefly got brighter.
Not dramatically nor explosively, just a smooth symmetrical rise and fall in brightness lasting about an hour, as though something had passed in front of it and bent its light toward us.
That something has been named Phoebe. And working out what it actually is turns out to be one of the most intriguing puzzles in modern astronomy.
The paper proposes that the lens could be a primordial black hole
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