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


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


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


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


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


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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