Instead, dark matters presence is inferred through its gravitational effects on other objectsin galaxy clusters, for example.
Thus, the team concluded, these flyby events would be detectable as gravitational waves.
News from the future, delivered to your present.
An artist’s concept of teeny primordial black holes (though in reality they wouldn’t have accretion disks).Illustration: NASA’s Goddard Space Flight Center
Are We Inside a Black Hole?
A graphic showingwhen primordial black holes may have formed, and instruments that can detect black holes. Graphic: ESA
