Artist’s interpretation of the calcium-rich supernova 2019ehk. Shown in orange is the calcium-rich material created in the explosion. Purple coloring represents gas shedded by the star right ...

Caption This illustration shows the ingredients of a long gamma-ray burst, the most common type. The core of a massive star (left) has collapsed, forming a black hole that sends a jet of particles ...

What If a Gamma-Ray Burst Hit a Black Hole? Last year, scientists reported that they had seen evidence that gamma-ray bursts could come out of mergers between neutron stars and another compact ...

Distinguishing between different types of gamma-ray bursts just got a lot more complicated. A gamma-ray burst (GRB), typically associated with an exploding massive star, may have in fact come from ...

Last year, Northwestern University researchers reported new observational evidence that long gamma-ray bursts (GRBs) can result from the merger of a neutron star with another compact object ...

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A gamma-ray burst (GRB), typically associated with an exploding massive star, may have in fact come from the merger of a neutron star and a black hole. The existence of this burst, designated GRB ...

Sep. 12, 2023 — At the center of every galaxy is a supermassive black hole. Beyond a certain size, these become active, emitting huge amounts of radiation, and are then called quasars.

Scientists have revealed how Nasa satellites detected the brightest gamma ray explosion in space. The gamma-ray burst (GRB) occurred two billion light-years from Earth and illuminated much of the ...

While astrophysicists previously believed that only supernovae could generate long gamma-ray bursts (GRBs), a 2021 observation uncovered evidence that compact-object mergers also can generate the ...