Melotte 15 in the Heart
Cosmic clouds form fantastic shapes in the central regions of emission nebula IC 1805. The clouds are sculpted […]
NASA
Messier 6 and Comet Siding Spring
This looks like a near miss but the greenish coma and tail of Comet Siding Spring (C/2013 A1) […]
Rosetta’s Selfie
This Rosetta spacecraft selfie was snapped on October 7th. At the time the spacecraft was about 472 million […]
Mysterious Changing feature on Titan
What is that changing object in a cold hydrocarbon sea of Titan? Radar images from the robotic Cassini […]
Auroral Corona over Norway
Higher than the highest mountain lies the realm of the aurora. Auroras rarely reach below 60 kilometers, and […]
The Helix Nebula from Blanco and Hubble
How did a star create the Helix nebula? The shapes of planetary nebula like the Helix are important […]
Eclipse at Moonrise
As the Moon rose and the Sun set on October 8, a lunar eclipse was in progress seen […]
Moons at Opposition
From the early hours of October 8, over the Santa Cruz Mountains near Los Gatos, California, the totally […]
Eclipse at Moonset
The Pacific Ocean and Chilean coast lie below this sea of clouds. Seen through the subtle colors of […]
NGC 6823: Cloud Sculpting Star Cluster
Star cluster NGC 6823 is slowly turning gas clouds into stars. The center of the open cluster, visible […]