The work won its 17-year-old discoverer first place in a nationwide contest.
and the European Virgo interferometer can see neutron stars, too. The problem is that neutron stars are less massive than black holes. As a result, when they collide or interact with each other, the ripples aren't as strong, so it's harder for gravitational wave observers to see them fromStill, Ye began looking into the data.
One thing you can learn from neutron stars is how massive they can get. Astronomers have seen plenty of neutron stars and plenty of black holes, but the most massive neutron stars are still less massive than most known black holes. Astrophysicists call this discrepancy a mass gap, and any object whose mass lies in the gap's murky depths is of great interest.
When Ye simulated collisions of neutron stars with black holes, she made the neutron stars rotate — something many neutron stars, including pulsars, are known to do. She found that, if a neutron star were spinning, it could be massive — more massive than any neutron star known, placing it well within the mass gap.
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