Comet LINEAR (WM1) Shines in the South
A new comet has brightened unexpectedly and is currently visible to unaided observers of southern skies. Comet C/2000 WM1 (LINEAR) is now reported by some observers to be at third magnitude, making it brighter -- although more diffuse -- than ...
The Coma Cluster of Galaxies
Almost every object in the above photograph is a galaxy. The Coma Cluster of Galaxies pictured above is one of the densest clusters known - it contains thousands of galaxies. Each of these galaxies houses billions of stars - just as our own ...
Centaurus A: The Galaxy Deep Inside
Deep inside Centaurus A, the closest active galaxy to Earth, lies ... another galaxy! Cen A is a giant elliptical galaxy a mere 10 million light-years distant with a central jumble of stars, dust, and gas that probably hides a massive black hole. ...
Balloon TIGER
Where does a two-ton tiger hang out? Well, in this case the Trans-Iron Galactic Element Recorder (TIGER) experiment hangs from a mobile crane on the far left in this panorama photo recorded last December near McMurdo Station, Antarctica. The ...
EUVE Sky Map
The stars beyond the Sun and the distant galaxies should be undetectable at extreme ultraviolet wavelengths. At least that was the conventional wisdom when it was first realized that the space between the stars is filled with hydrogen, a strong ...
Moonrise Over Seattle
Is the Moon larger when near the horizon? No -- as shown above, the Moon appears to be very nearly the same size no matter its location on the sky. Oddly, the cause or causes for the common Moon Illusion are still being debated. Two leading ...
The Southern Sky in Warm Hydrogen
A robotic telescope with red sunglasses in Chile has been photographing the entire southern sky for years. The result, shown above, is the most complete sky map of the most common visible light emitted from the most abundant element in our ...
An Apollo 17 Panorama
What would it be like to stand on the surface of another world, to look all around you, and to try to figure out how this world got there? To get an idea, scroll right. In 1972 during the Apollo 17 mission, astronauts Harrison Schmitt and ...
Earth Rise
During 1968, the Apollo 8 crew flew from the Earth to the Moon and back. The crew, consisting of Frank Borman, James Lovell, and William Anders, were launched atop a Saturn V rocket on December 21, circled the Moon ten times in their command ...
Shuttle Engine Blast
The Space Shuttle Discovery's orbital maneuvering system (OMS) engine firing produced this dramatic flare as it cruised "upside down" in low Earth orbit. Discovery was named for a ship commanded by Captain James Cook RN, the 18th Century English ...
