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cosmicvastness: “Starbirth over ALMAIn this wonderful high definition, singe-exposure image taken during the ESO Ultra HD Expedition, three deep sky objects seem to shine in front of the dish of one...

cosmicvastness: “Starbirth over ALMAIn this wonderful high definition, singe-exposure image taken during the ESO Ultra HD Expedition, three deep sky objects seem to shine in front of the dish of one...

Comet Lovejoy on December 23, 2014.  Photo by Gerald Rhemann.  The wonderful New Year’s comet – Comet C/2014 Q2 Lovejoy

Comet Lovejoy on December 23, 2014. Photo by Gerald Rhemann. The wonderful New Year’s comet – Comet C/2014 Q2 Lovejoy

Comet C/2014 Q2 (Lovejoy), which is currently at naked-eye brightness and near its brightest, has been showing an exquisitely detailed ion tail. As the name implies, the ion tail is made of ionized gas -- gas energized by ultraviolet light from the Sun and pushed outward by the solar wind.

Comet C/2014 Q2 (Lovejoy), which is currently at naked-eye brightness and near its brightest, has been showing an exquisitely detailed ion tail. As the name implies, the ion tail is made of ionized gas -- gas energized by ultraviolet light from the Sun and pushed outward by the solar wind.

Beginning in late 2016, the Cassini spacecraft will start its final mission to explore Saturn and its moon Enceladus. After visiting Enceladus, the spacecraft will explore Saturn's signature rings.

Beginning in late 2016, the Cassini spacecraft will start its final mission to explore Saturn and its moon Enceladus. After visiting Enceladus, the spacecraft will explore Saturn's signature rings.

The picture was taken by Astronaut Scott Kelly on August 9, 2015, the 135th day of his one-year mission in space on the International Space Station. The Milky Way stretches the curve of Earth in the scene that also records a faint red, extended airglow. The galaxy's central bulge appears with starfields cut by dark rifts of obscuring interstellar dust. Since November 2000, people have been living continuously on the International Space Station.

The picture was taken by Astronaut Scott Kelly on August 9, 2015, the 135th day of his one-year mission in space on the International Space Station. The Milky Way stretches the curve of Earth in the scene that also records a faint red, extended airglow. The galaxy's central bulge appears with starfields cut by dark rifts of obscuring interstellar dust. Since November 2000, people have been living continuously on the International Space Station.

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