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Astronomy Picture Of the Day (APOD)
Everest Panorama from Mars
8.12.2013
If you could stand on Mars -- what might you see? Scroll right to find out. The robotic Spirit rover that rolled around Mars from 2004 to 2009 Mars climbed...
Naked Eye Nova Centauri 2013
7.12.2013
Brightest stellar beacons of the constellation Centaurus, Alpha and Beta Centauri are easy to spot from the southern hemisphere. For now, so is new naked eye Nova Centauri 2013. In this night skyscape recorded...
Gamma Ray Earth and Sky
6.12.2013
For an Earth-orbiting gamma-ray telescope, Earth is actually the brightest source of gamma-rays, the most energetic form of light. Gamma-rays from Earth are produced when high energy particles, cosmic rays from space, crash into the atmosphere.
Planetary Nebula Abell 7
5.12.2013
Very faint planetary nebula Abell 7 is some 1,800 light-years distant, just south of Orion in planet Earth's skies in the constellation Lepus, The Hare. Surrounded by Milky Way stars and near...
Comet Lovejoy through Morby Castle Ruins
4.12.2013
This new comet is quite photogenic. Comet Lovejoy, discovered only three months ago, was imaged through ruins of ancient MZhrby Castle in Sweden last week sporting a green-glowing coma and tails trailing several degrees.
The Colorful Clouds of Rho Ophiuchi
3.12.2013
The many spectacular colors of the Rho Ophiuchi (oh'-fee-yu-kee) clouds highlight the many processes that occur there. The blue regions shine primarily by reflected light. Blue light from the star Rho Ophiuchi and nearby stars reflects more efficiently off this portion of the nebula than red light.
Comet Lovejoy Before Galaxy M63
2.12.2013
Comet Lovejoy was captured last week passing well in front of spiral galaxy M63. Discovered only three months ago and currently near its maximum brightness, Comet Lovejoy can be seen near the Big Dipper from dark northerly locations before dawn with the unaided eye.
A Laser Strike at the Galactic Center
1.12.2013
Why are these people shooting a powerful laser into the center of our Galaxy? Fortunately, this is not meant to be the first step in a Galactic war. Rather, astronomers at the Very Large Telescope (VLT) site in Chile are trying to measure the distortions of Earth's ever changing atmosphere.
Surprising Comet ISON
30.11.2013
After failing to appear for Sun staring spacecraft at perihelion, its harrowing closest approach to the Sun, sungrazing Comet ISON was presumed lost. But ISON surprised observers yesterday as material still traveling along the comet's trajectory became visible and even developed an extensive fan-shaped dust tail.
Comet ISON Before and After
29.11.2013
Sungrazing Comet ISON reached perihelion, its closest approach to the Sun, yesterday, November 28, at 18:45 UT. The comet passed just over 1 million kilometers above the solar surface, a distance less than the diameter of the Sun.
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