Mopra CO survey derived image in Time Magazine’s astro images of 2015

Time magazine picked an image based on Mopra CO survey data as one of the best space photos of the year 2015 – the X-ray echoes in Cir X-1. It’s number 10 in the list of images at the web page here:

The paper can be found here:

What Mopra did was find molecular clumps at the locations where bright X-ray light echoes were seen coming from, and then by converting these into distances, helped to derive a geometrical distance to the source of the X-rays.

Happy holidays everyone!