The mass of this galaxy cluster is approximately 180 TRILLION times the mass of the sun.
Image credit: NASA
View of Saturn taken by Cassini’s camera system on March 28, 2014.
Image credit: NASA / JPL / SSI / Ian Regan / Val Klavans
Photograph taken from the ISS by NASA astronaut Karen Nyberg on October 14, 2013.
Credit: Karen Nyberg/NASA
Fragile Oasis: “Canada wearing a green hat with lights.”
Photo credit: Fragile Oasis