Milky Way Earth and are probably similar to

and are probably similar to granule ripples on Earth that are protected from the winds by a surface layer of coarse grains

This new image of the reflection nebula Messier 78 was captured using the Wide Field Imager camera on the MPG/ESO 2

and distant Earth taken during the second Extravehicular Activity EVA 2 of the Apollo 17 mission

2-m ESO/MPG Telescope at La Silla

Cassini's onboard cameras were able to take advantage of this unique viewing geometry

Milky Way Earth and are probably similar toOur Home Galaxy! The composite image features the spectacle of stellar evolution: from vibrant regions of star birth, to young hot stars, to old cool stars, to seething remnants of stellar death called black holes. This activity occurs against a fiery backdrop in the crowded, hostile environment of the galaxy's core, the center of which is dominated by a supermassive black hole nearly four million times more massive than our Sun. Permeating the region