eROSITA

Space

Huge X-ray image covers half the universe, including a million sources

Astronomers have mapped out half the universe in X-ray light, using a space telescope called eROSITA. The new map, which contains almost a million X-ray sources, is the basis of dozens of new scientific papers, with many more to come.

X-ray image of the Milky Way galaxy, taken by the eROSITA X-ray telescope

Space

Stunning X-ray image delivers a deep dive into the Milky Way

A newly released map shows our home galaxy in a new light. The eROSITA telescope has scanned the entire sky in X-rays, painting a colorful portrait that reveals large-scale structures and hundreds of thousands of previously unknown X-ray sources.

The European XMM-Newton X-ray telescope in Earth orbit (Image: ESA)

Space

X-ray telescope to shed light on dark energy

The eROSITA X-ray telescope will search for black holes and dark matter, and may help explain why the expansion of the universe is accelerating instead of slowing down.