Autor: Karl Ranseier

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Filmed with the IMAX 3D Cargo Bay Camera, astronaut John Grunsfeld, positioned on a foot restraint on the end of Atlantis remote manipulator system (RMS), and astronaut Andrew Feustel replace a Fine Guidance Sensor in the mission’s fifth and final session of extravehicular activity.

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NGC 2170

In this beautiful celestial still life composed with a cosmic brush, dusty nebula NGC 2170 shines at the upper left. Reflecting the light of nearby hot stars, NGC 2170 is joined by other bluish reflection nebulae, a compact red emission region, and streamers of obscuring dust against a backdrop of stars. Like the common household items still life painters often choose for their subjects, the clouds of gas, dust, and hot stars pictured here are also commonly found in this setting – a massive, star-forming molecular cloud in the constellation Monoceros. The giant molecular cloud, Mon R2, is impressively close, estimated to be only 2,400 light-years or so away. At that distance, this canvas would be about 15 light-years across.

Image Credit & Copyright: Adam Block, Mt. Lemmon SkyCenter, U. Arizona

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