Neutron star and black hole masses in binary systems are calculable using Kepler's laws of motion, based on orbital parameters and object speeds. Merging neutron stars or black holes emit ...
Gauging the mass of a black hole is tricky, but astronomers have devised multiple methods to measure the heft of these galactic gluttons ...
Kamuela, Hawaii — For nearly a decade, Cal-Berkeley astronomer Geoff Marcy and his colleagues have been using the W. M. Keck telescopes to discover giant planets orbiting distant stars. Now, with the ...
Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it ...
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Earth-sized ‘super telescope’ detects lowest-mass dark object ever discovered
A team of astronomers used an "Earth-sized super telescope" to detect an object that emits no light, via gravitational ...
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