July might be called the month of the scorpion, for this is when the slithery form of Scorpius is highest in the evening sky. Marked by its heart – the gigantic red star Antares – ...
The image shows the Arches star cluster, 25,000 light-years away, captured through infrared observations from Hubble and ground-based telescopes. This Hubble image shows NGC 6397, a star cluster 8,200 ...