... Doomed Star Eta Carinae . ... Eta Carinae may be about to explode. ... Eta Carinae's mass - about 100 times greater than our Sun - makes it an excellent candidate for a full blown supernova. The Perseus Cluster of Galaxies . ... Each of the fuzzy blobs in the above picture is a galaxy, together making up the Perseus Cluster, one of the closest clusters of galaxies. The Dunes Of Mars . ... Hot gas dances across the surface of the Sun in this picture from the orbiting TRACE satellite. ...