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Lone Black Hole Passes in Front of Star (Ground-Based View)

Lone Black Hole Passes in Front of Star (Ground-Based View)


Depicts: Starfield in the Milky Way containing Black Holes
Copyright: NOAO, Cerro Tololo Inter-American Observatory

Two images of a crowded starfield as seen through a ground-based telescope show the subtle brightening of a star due to the effect of gravitational microlensing, where an invisible but massive foreground object passes in front of the star and amplifies its light.
Last Update: 1 September 2019
6-Aug-2020 07:34 UT

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https://sci.esa.int/s/wRmqoGA

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