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Gravitational Microlensing by Black Hole: Diagram 2

- Release DateJanuary 13, 2000
- Science ReleaseLone Black Holes Discovered Adrift in the Galaxy
- Credit
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Lone Black Hole Passes in Front of Star
[Left] 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. The...
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Last Updated
Mar 28, 2025
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Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov