Picture This

A cosmic winter wonderland

22 December 2016 Astronomy Now

Although there are no seasons in space, this cosmic vista invokes thoughts of a frosty winter landscape. It is, in fact, a region called NGC 6357 where radiation from hot, young stars is energizing the cooler gas in the cloud that surrounds them.


A new view of the X-ray sky

26 March 2016 Astronomy Now

In the 1990s, the ROSAT X-ray satellite performed the first deep all-sky survey. Scientists at the Max Planck Institute for Extraterrestrial Physics (MPE) have revisited the all-sky survey, publishing an extended “2RXS catalogue” — the deepest and cleanest X-ray all-sky survey to date.