Nebula Westerlund II Size:18" x 12" (46 cm x 31 cm) along with open star clusters

along with open star clusters

Blue in the filaments in the outer part of the nebula represents neutral oxygen

large sand dunes—the only sand in this desert of scrub and rock—appear as lines stretching from left to right

Future astronauts will see the continents rotate in and out of view and the ever changing pattern of clouds will always catch one's eye

5-22 belongs to a special class of planets called rogue

Nebula Westerlund II Size:18" x 12" (46 cm x 31 cm) along with open star clustersThis NASA ESA Hubble Space Telescope image of the cluster Westerlund 2 and its surroundings has been released to celebrate Hubbles 25th year in orbit and a quarter of a century of new discoveries, stunning images and outstanding science. The images central region, containing the star cluster, blends visible light data taken by the Advanced Camera for Surveys and near infrared exposures taken by the Wide Field Camera 3. The surrounding region is