15/12/2025

XMM-Newton sees comet 3I/ATLAS in X-ray light

The European Space Agency's X-ray space observatory XMM-Newton observed interstellar comet 3I/ATLAS on 3 December for around 20 hours. During that time, the comet was about 282–285 million km from the spacecraft.

Radio observations find nothing at Omega Centauri's heart

Omega Centauri dominates the southern sky as the Milky Way's largest and brightest globular cluster, a dense sphere containing roughly 10 million stars. Earlier this year, astronomers found evidence that an intermediate mass ...

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