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The sun erupted with an X1.7-class solar flare on May 12, 2013. This is a blend of two images of the flare from NASA's Solar Dynamics Observatory: One image shows light in the 171-angstrom wavelength, the other in 131 angstroms. Credit: NASA/SDO/AIA

This is probably the most amazing photo you will see of the Orion nebula's center, a cloud of gas and dust known as M42. The work was created by Adam Block at the Mount Lemon Sky Center observatory in Arizona. Image: Adam Block/Mount Lemmon SkyCenter/University of Arizona

Wired Space Photo of the Day | Science | WIRED

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NGC 1360 is a planetary nebula in the constellation of Fornax. It is about 1145 ly from Earth. It was identified as a planetary nebula due to its radiation in the OIII (oxygen) bands. Reddish matter, believed to have been ejected from the original star before its final collapse, is visible in images.

The Gabriela Mistral Nebula, an emission nebula in Carina

The bipolar star-forming region called Sharpless 2-106. The 'wings' of the nebula record the contrasting imprint of heat and motion against a backdrop of a colder medium. Twin lobes of super-hot gas stretch outward from the central star. This hot gas creates the 'wings.' A ring of dust & gas orbit-ing the star acts like a belt, clinching the expending nebula into an 'hourglass' shape. In Cygnus

The November Meteors, Etienne Trouvelot

The Trouvelot Astronomical Drawings

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Étienne Léopold Trouvelot was born on 26 Dec 1827 in Guyencourt, France. As a young man he dabbled in politics, becoming a staunch Republica...