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5/2/15 Cover

Planetary Science

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Buzz Aldrin on the Moon

STICK THE LANDING  Despite worries that dust might swallow their lunar spacecraft, Buzz Aldrin (pictured above) and Neil Armstrong safely landed and explored the moon's surface during the Apollo 11 mission.

Meteorite from Chelyabinsk, Russia

Meteorites with dark veins and blobs, like the sample above, experienced high heat when the blast from the planetary collision that formed the moon hit the asteroid belt 4.47 billion years ago. The dark coloration on the edge of the sample is from entering the Earth's atmosphere.

Storm on Saturn

In 2010, a massive storm broke out in Saturn’s northern hemisphere. Researchers hypothesize that circulating water may be behind the squalls that seem to appear on the planet every few decades.

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