
Space / 1979-02-26
ARC-1979-AC79-7026
ARC-1979-AC79-7026
NASA's image library records ARC-1979-AC79-7026.
Range : 5 million miles (8.025 million kilometers) This is a morning shot of Ganymede, largest of Jupiter's 13 satellites. It's slightly larger than Mercury with a density about twice that of water. It's believed to be made of rock and ice with a surface of water and ice. Ganymede is 4 times brighter than our Moon with the bright spot in center of