A Dark Sand Dune on Mars
What is that dark sand dune doing on Mars? NASA‘s robotic rover Curiosity has been studying it to […]
NASA
Proxima Centauri: The Closest Star
Does the closest star to our Sun have planets? No one is sure — but you can now […]
The Galactic Center in Infrared
The center of our Galaxy is a busy place. In visible light, much of the Galactic Center is […]
The View Toward M106
A big, bright, beautiful spiral, Messier 106 is at the center of this galaxy filled cosmic vista. The […]
Wright Mons in Color
Informally named Wright Mons, a broad mountain about 150 kilometers across and 4 kilometers high with a wide, […]
Infrared Portrait of the Large Magellanic Cloud
Cosmic dust clouds ripple across this infrared portrait of our Milky Way’s satellite galaxy, the Large Magellanic Cloud. […]
Reflections on the 1970s
The 1970s are sometimes ignored by astronomers, like this beautiful grouping of reflection nebulae in Orion – NGC […]
The California Nebula
What’s California doing in space? Drifting through the Orion Arm of the spiral Milky Way Galaxy, this cosmic […]
A Colorful Solar Corona over the Himalayas
What are those colorful rings around the Sun? A corona visible only to Earth observers in the right […]
Sun Storm: A Coronal Mass Ejection
What’s happening to our Sun? Another Coronal Mass Ejection (CME)! The Sun-orbiting SOHO spacecraft has imaged many erupting […]