The most massive, hottest, brightest galaxy cluster ever seen has been discovered 7 billion light years away. Nickname? El Gordo — Spanish for “the fat one.” Photo here
The above photo is the Large Magellanic Cloud galaxy in infrared light.
The ribbons seen in the image are giant ripples of dust spanning tens or hundreds of light-years. Color indicates temperature. The coolest areas appear in red; the hottest in blue. PHOTO: ESA/NASA/JPL-CALTECH/STSCI.
”GRAIL A and GRAIL B — washing-machine sized satellites designed to map the surface and interior of the moon — are now zipping around the moon in an elliptical orbit after a three-month, 2.5-million-mile journey.”