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Astronomy Picture Of the Day (APOD)
The Soap Bubble Nebula
12.01.2015
Adrift in the rich star fields of the constellation Cygnus, this lovely, symmetric nebula was only recognized a few years ago and does not yet appear in some astronomical catalogs. In fact, amateur astronomer...
Super Planet Crash
11.01.2015
Can you create a planetary system that lasts for 500 years? Super Planet Crash, the featured game, allows you to try. To create up to ten planets, just click anywhere near the central star.
Cataclysmic Dawn
10.01.2015
Will this dawn bring another nova? Such dilemmas might be pondered one day by future humans living on a planet orbiting a cataclysmic variable binary star system. Cataclysmic variables involve gas falling from a large star onto an accretion disk surrounding a massive but compact white dwarf star.
The Windmill s Moon
9.01.2015
Seen from the Canary Island of Fuerteventura, this bright Full Moon rose at sunset. Reaching its full phase on the night of January 4/5, it was the first Full Moon of the new year and the first to follow December's solstice.
In the Arms of NGC 1097
8.01.2015
Spiral galaxy NGC 1097 shines in southern skies, about 45 million light-years away in the chemical constellation Fornax. Its blue spiral arms are mottled with pinkish star forming regions in this colorful galaxy portrait.
Stars and Dust in Corona Australis
7.01.2015
Cosmic dust clouds and young, energetic stars inhabit this telescopic vista, less than 500 light-years away toward the northern boundary of Corona Australis, the Southern Crown. The dust clouds effectively block light from more distant background stars in the Milky Way.
Hubble 25th Anniversary: Pillars of Creation
6.01.2015
To celebrate 25 years (1990-2015) of exploring the Universe from low Earth orbit, the Hubble Space Telescope's cameras were used to revisit its most iconic image. The result is this sharper, wider view of the region dubbed the Pillars of Creation, first imaged by Hubble in 1995.
100 Million Stars in the Andromeda Galaxy
5.01.2015
What stars compose the Andromeda galaxy? To better understand, a group of researchers studied the nearby spiral by composing the largest image ever taken with the Hubble Space Telescope. The result, called the Panchromatic...
A Fox Fur, a Unicorn, and a Christmas Tree
4.01.2015
What do the following things have in common: a cone, the fur of a fox, and a Christmas tree? Answer: they all occur in the constellation of the unicorn (Monoceros). Pictured as a star...
Crescent Rhea Occults Crescent Saturn
3.01.2015
Soft hues, partially lit orbs, a thin trace of the ring, and slight shadows highlight this understated view of the majestic surroundings of the giant planet Saturn. Looking nearly back toward the Sun, the robot Cassini spacecraft now orbiting Saturn captured crescent phases of Saturn and its moon Rhea in color a few years ago.
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