Plane, Clouds, Moon, Spots, Sun
What’s that in front of the Sun? The closest object is an airplane, visible just below the Sun’s […]
Astronomy
Too Close to a Black Hole
What would you see if you went right up to a black hole? Featured is a computer generated […]
Sunspots and Solar Eclipse
A New Moon joined giant sunspot group AR 2192 to dim the bright solar disk during Thursday’s much […]
AR 2192: Giant on the Sun
As you (safely!) watched the progress of yesterday’s partial solar eclipse, you probably also spotted a giant sunspot […]
Galaxies in Pegasus
This wide, sharp telescopic view reveals galaxies scattered beyond the stars and faint dust nebulae of the Milky […]
Comet Siding Spring Passes Mars
Yesterday, a comet passed very close to Mars. In fact, Comet C/2013 A1 (Siding Spring) passed closer to […]
Comet McNaught Over New Zealand
Comet McNaught was perhaps the most photogenic comet of modern times — from Earth. After making quite a […]
Melotte 15 in the Heart
Cosmic clouds form fantastic shapes in the central regions of emission nebula IC 1805. The clouds are sculpted […]
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 […]