Unless they’re belching up stars or rippling spacetime in a partnered dance, light-trapping black holes are notoriously difficult to spot. But a new proposed discovery of a dormant black hole may help unveil a population lurking in the darkness.
reports. Because the object emits no light, astronomers detected it by studying the warped orbit and spectrum of a nearby Sun-like star using the European Space Agency’s Gaia space telescope and multiple ground-based observatories.
The black hole candidate , dubbed Gaia BH1, is 10 times the mass of the Sun and—three times closer to Earth than the next known neighbor, researchers report on the arXiv preprint server last week. The long orbital period and proximity make this black hole a prime target to study the physics of these invisible enigmas, which could help scientists identify many more examples in the two remaining data releases from Gaia.
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