More ideas from Ursel
Jupiter and Io, and the Gallilean moons

This "family portrait" is a composite of the Jovian system: the edge of Jupiter with its Great Red Spot + Jupiter's 4 largest moons, known as the Galilean satellites. The moons (top-to-bottom): Io, Europa, Ganymede and Callisto.

Stars in Scorpius, Hubble Telescope

Images from Hubble Space Telescope. Star cluster Pismis 24 hangs over the dusty clouds of NGC a nebula about 8000 light-years away in the constellation Scorpius. This picture showed that the brightest star in the cluster is in fact two stars in a tig