eROSITA

Hungry Black Hole was Already Feasting 800 Million Years After the Big Bang

Black holes swallow everything—including light—which explains why we can't see them. But we can observe their immediate surroundings and learn…

1 year ago

Astronomers Finally Catch a Nova Detonating on a White Dwarf as it's Happening

On July 7, 2020, the X-ray instrument eROSITA captured an astronomical event that – until then – had only been…

2 years ago

Germany’s Space Agency Cancels all its Projects With Russia. They Even Turned off an Instrument on a Russian Space Telescope

Germany is flexing its muscles. The German government recently announced a massive increase in military spending to counter Russian military…

2 years ago

An All-Sky X-Ray Survey Finds the Biggest Supernova Remnant Ever Seen

Our sky is missing supernovas. Stars live for millions or billions of years. But given the sheer number of stars…

3 years ago