(Untitled)
What do you see when you look into this sky? In the center, in the dark, do you see a night sky filled with stars? Do you see a sunset […]
(Untitled)
It’s raining stars. What appears to be a giant cosmic umbrella is now known to be a tidal stream of stars stripped from a small satellite galaxy. The main galaxy, […]
(Untitled)
Are these trees growing on Mars? No. Groups of dark brown streaks have been photographed by the Mars Reconnaissance Orbiter on melting pinkish sand dunes covered with light frost. The […]
(Untitled)
Tidally locked in synchronous rotation, the Moon always presents its familiar nearside to denizens of planet Earth. From lunar orbit, the Moon’s farside can become familiar, though. In fact this […]
(Untitled)
Big beautiful barred spiral galaxy Messier 109 is the 109th entry in Charles Messier’s famous catalog of bright Nebulae and Star Clusters. You can find it just below the Big […]
(Untitled)
An interstellar expanse of glowing gas and obscuring dust presents a bird-like visage to astronomers from planet Earth, suggesting its popular moniker, the Seagull Nebula. This broadband portrait of the […]
(Untitled)
This interstellar skyscape spans over 4 degrees across crowded starfields toward the constellation Sagittarius and the central Milky Way. A First Look image captured at the new NSF–DOE Vera C. […]
(Untitled)
Sure, that figure-8 shaped curve you get when you mark the position of the Sun in Earth’s sky at the same time each day over one year is called an […]
(Untitled)
What’s that unusual spot on the Moon? It’s the International Space Station. Using precise timing, the Earth-orbiting space platform was photographed in front of a partially lit gibbous Moon in […]
(Untitled)
Can you find the Rosette Nebula? The red flowery-looking nebula just above the image center may seem a good choice, but that’s not it. The famous Rosette Nebula is really […]