A Wolf-Rayet Bubble Nebula surrounds a Wolf-Rayet star. There are different types of WR-nebula, based on their formation mechanism: regions nebulae bubbles hydrogen voids and shells (may be assoc. The nebula shown is a 'wind-blown bubbles' type
This image from the Hubble Space Telescope clearly shows the equatorial rings of Uranus, a southern cloud deck and a bright cloud in the northern hemisphere. Uranus is unique in that its axis is tilted to align with the solar system elliptic plane.
This stunning false-color view of Saturn's moon Hyperion reveals crisp details across the strange, tumbling moon's surface. Differences in color could represent differences in the composition of surface materials.
/ NGC Trifid Nebula in Sagittarius. Its name means 'divided into 3 lobes.' The object is an unusual combination of an open cluster of stars; an emission nebula; a reflection nebula & a dark nebula about 5200 light years away.