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Astronomy Picture Of the Day (APOD)
Prometheus and the F Ring
7.01.2016
In Greek myth Prometheus was a Titan, known for bringing fire from Mount Olympus. But in modern times the name is given to is a small moon of Saturn, orbiting just inside Saturn's F ring.
High Energy Andromeda
6.01.2016
A mere 2.5 million light-years away, the Andromeda Galaxy, also known as M31, really is just next door as large galaxies go. In this (inset) scan, image data from NASA's Nuclear Spectrosopic Telescope...
Comets and Bright Star
5.01.2016
This timely, telescopic, two panel mosaic spans about 10 full moons across planet Earth's predawn skies. Recorded as the year began from Tenerife, Canary Islands, near the top of the frame are the faint coma and tail of Comet Borrelly (P/19).
The Lagoon Nebula in Hydrogen Sulfur and Oxygen
4.01.2016
The majestic Lagoon Nebula is filled with hot gas and the home for many young stars. Spanning 100 light years across while lying only about 5000 light years distant, the Lagoon Nebula is so big and bright that it can be seen without a telescope toward the constellation of the Archer (Sagittarius).
Earthset from the Lunar Reconnaissance Orbiter
3.01.2016
On the Moon, the Earth never rises -- or sets. If you were to sit on the surface of the Moon, you would see the Earth just hang in the sky. This is because the Moon always keeps the same side toward the Earth.
A Starry Night of Iceland
2.01.2016
On some nights, the sky is the best show in town. On this night, the sky was not only the best show in town, but a composite image of the sky won an international competition for landscape astrophotography. The featured winning image was taken in 2011 over JZhkulsArlSn, the largest glacial lake in Iceland.
Sky Lights in the New Year
1.01.2016
Triggered by the impact of a coronal mass ejection on New Year's eve, a moderate geomagnetic storm brought a celebration of sky lights to planet Earth's high latitudes yesterday. In this New Year's nightscape, the shimmering reddish curtains of aurora australis along a southern horizon are captured over Morgiana, SW Victoria, Australia.
Comet Catalina Tails
31.12.2015
A new year's treat for binoculars, as 2016 begins Comet Catalina (C/2013 US10) now sweeps through planet Earth's predawn skies near bright Arcturus, alpha star of Bootes. But this telescopic mosaic from December 21 follows the pretty tails of the comet across a field of view as wide as 10 full moons.
Solstice Sun at Lulworth Cove
30.12.2015
A southern exposure and striking symmetry made Lulworth Cove, along the Jurassic Coast of England, planet Earth a beautiful setting during this December's Solstice. Five frames in this dramatic composite view follow the lowest arc of the Sun, from sunrise to sunset, during the shortest day of the year.
The Fox Fur Nebula
29.12.2015
This interstellar canine is formed of cosmic dust and gas interacting with the energetic light and winds from hot young stars. The shape, visual texture, and color, combine to give the region the popular name Fox Fur Nebula.
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