The Making of a Giant Galaxy

May 22, 2013

Herschel Space Observatory Finds Galaxy Mega Merger

A massive and rare merging of two galaxies has been spotted in images taken by the Herschel space observatory, a European Space Agency mission with important NASA participation.

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Vast Ligeia Mare in False Color

May 22, 2013

Forecast for Titan: Wild Weather Could be Ahead

Two new models with implications for NASA's Cassini mission suggest the onset of spring in Titan's northern hemisphere could bring waves and hurricanes.

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'Cumberland' Target Drilled by Curiosity

May 20, 2013

NASA Mars Rover Curiosity Drills Second Rock Target

NASA's Mars rover Curiosity has used the drill on its robotic arm to collect a powdered sample from the interior of a rock called "Cumberland."

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Rock Target 'Esperance' Altered by Wet History (False Color)

May 17, 2013

Mars Rover Opportunity Examines Clay Clues in Rock

NASA's senior Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.

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View Back at Record-Setting Drive by Opportunity

May 16, 2013

Nine-Year-Old Mars Rover Passes 40-Year-Old Record

NASA's Mars rover Opportunity now holds the record for farthest driving by a NASA vehicle on a world away from Earth, passing a mark set by an Apollo astronaut-driven rover.

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Galactic Wheels within Wheels

May 16, 2013

Galaxy's Ring of Fire

This ring of fire "burns, burns, burns" with young stars.

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May 16, 2013

NASA Helps Pinpoint Glaciers' Role in Sea Level Rise

A new study of glaciers worldwide from two NASA satellites has helped resolve differences in estimates of how fast glaciers are disappearing and contributing to sea level rise.

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The orbit of asteroid 1998 QE2.

May 15, 2013

Asteroid 1998 QE2 to Sail Past Earth Nine Times Larger Than Cruise Ship

Asteroid 1998 QE2 will get no closer than about 3.6 million miles at time of closest approach on May 31 at 1:59 p.m. Pacific (4:59 p.m. Eastern).

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Fresh Cluster of Impact Craters on Mars

May 15, 2013

NASA Probe Counts Space Rock Impacts on Mars

Scientists using images from NASA's Mars Reconnaissance Orbiter have estimated that the planet is bombarded by more than 200 small asteroids or bits of comets per year.

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Global Topographic Map of Titan

May 15, 2013

Cassini Shapes First Global Topographic Map of Titan

Scientists have used data from NASA's Cassini spacecraft to map the highs and lows of Titan, Saturn's largest moon.

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