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Week's Best Space Pictures: A Cosmic Spider Creeps Into View
By Michael Greshko,
National Geographic News, 15 April 2016.

This week, Venus's clouds cast striking shadows, a Martian crater shows off its multi-coloured deposits, and a supersonic jet screams past the sun.

1. Tangled Web

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NASA's Spitzer Space Telescope captured the infrared glow of IC 417, a nebula about 10,000 light-years away. The space cloud is often called a cosmic spider, as it seems to be hunting its small neighbour NGC 1931.

2. Smashing Composition

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Viewed in infrared and visible light by a NASA orbiter, the western rim of Mars's Holden Crater takes on a rainbow of hues. The colours represent diverse rock types that have been jumbled by impacts.

3. Shock and Awe

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Using a 150-year-old photography technique called schlieren imagery, NASA created this image of shock waves triggered by a U.S. Air Force T-38C jetfighter as it passed in front of the sun at supersonic speed.

4. Twinkling and Windy

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On April 5, International Space Station commander Tim Kopra of NASA captured this image of night-time lights in the city of Chicago.

5. Better Late Than Never

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The Japanese spacecraft Akatsuki is finally orbiting Venus after a five-year delay caused by technical difficulties. The spacecraft recently snapped this infrared shot of Venus's cloudy atmosphere.

[Source: National Geographic News. Edited. Some links added.]

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