A companion star may have stripped silicon layers. This provided a new window into stellar death. Astronomers have observed the inner layers of a dying star through a rare type of stellar explosion known as Read More
Tags :Astrophysics
Education, Research & Positions
Astronomers Achieve Historic First: Full Black Hole Recoil Measurement –
The GW190412 merger revealed a black-hole recoil moving faster than 50 km/s. Gravitational waves allowed its 3D motion to be reconstructed. A research group led by the Instituto Galego de Física de Altas EnerxíRead More
Education, Research & Positions
400-Year-Old Cosmic Mystery Solved: New Class of Ancient Star System
New simulations suggest globular clusters form in multiple ways and point to a mysterious new type of star system that may already lie hidden in the Milky Way. For centuries, astronomers have tried to explain Read More
Astronomers confirmed an off-center black hole in a dwarf galaxy. It offers clues to how supermassive black holes may form. Black holes are most often assumed to sit at the centers of galaxies, but a Read More
Solar flares heat ions much more strongly than electrons. The finding offers a new explanation for spectral line broadening. Recent work from the University of St Andrews suggests that particles in solar flares can become 6.5 Read More
A distant supernova exposed elements from a star’s core. The result reshapes ideas of how massive stars evolve. According to long-standing theory, stars are built in layers like onions, with each layer composed of Read More
Millisecond pulsar binaries may produce the excess 511 keV photons seen in the galaxy. These systems could expose hidden pulsars and even exoplanets. Many astrophysicists devote their work to tracing the origins of photons, since certain Read More
UMass Amherst physicists believe such an explosion could occur within the next decade, potentially “revolutionizing physics and rewriting the history of the universe.” Physicists have long thought that black holes end their lives in rare Read More
NGC 3603-A1 is a pair of giant stars locked in a rapid 3.8-day orbit. Their dynamic relationship provides clues to how massive stars evolve and form black holes. A team of astronomers combined archival data Read More
Astronomers using NASA’s Hubble Space Telescope have uncovered a stellar oddity: a massive white dwarf star born from the violent merger of two stars, rather than the quiet death of a single one. This Read More
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