Tag Archives: star friend

Record holder! Milky Way’s largest stellar-mass black hole, a sleeping giant lurking near Earth

There’s a newly discovered massive black hole in the Milky Way, and it’s lurking close to Earth! This sleeping giant was discovered by the European space telescope Gaia, which monitors the movement of billions of stars in our galaxy. Stellar-mass black holes form when a massive star runs out of fuel and collapses. The new… Read More »

These supernovae create a storm, contributing to cosmic life and death

Astronomers have discovered a hitherto unknown source of cosmic dust. Why is it important to keep track of this powder? These particles basically serve as building blocks for stars. The international team found that such dust could be created by a type of cosmic explosion that occurs when a dead white dwarf star ejects material… Read More »