A giant gas cloud spanning light years with a mass of 10 billion Suns inside the galaxy merger system NGC involving two spiral Milky Way-sized galaxies each containing a supermassive black hole in the center.
Star Cluster Pismis NGC Pismis 24 hangs over NGC a nebula about 8000 ly away in Scorpius. This picture showed that the brightest star in the cluster is in fact two stars in a tight binary orbit. Each star is about 100 times the Sun's mass.
Jupiter and its four planet-size moons, called the Galilean satellites, were photographed in early March by Voyager 1 and assembled into this collage. Jupiter has always been my favorite planet, i don't know why.
aka NGC 5194 the Whirlpool aka NGC 5195 (left) The Whirlpool Galaxy is a grand-design spiral galaxy, interacting with NGC a dwarf galaxy. Both galaxies are located 23 ± 4 million light-years away in Canes Venatici.