Communications of the ACM
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From ACM NewsAn edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
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Rosetta's Comet Scrambling Its Jets
This image of comet 67P/Churyumov-Gerasimenko, taken by Rosetta's Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS) on Sept. 20, from a distance...
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Galactic Wheel of Life Shines in Infrared
It might look like a spoked wheel or even a "Chakram" weapon wielded by warriors like "Xena," from the fictional TV show, but this ringed galaxy is actually a vast...
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All Three NASA Mars Orbiters Healthy After Comet Flyby
All three NASA orbiters around Mars confirmed their healthy status Sunday after each took shelter behind Mars during a period of risk from dust released by a passing...
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Cassini Caught in Hyperion's Particle Beam
Static electricity is known to play an important role on Earth's airless, dusty moon, but evidence of static charge building up on other objects in the solar system...
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Nasa Mission Provides Its First Look at Martian Upper Atmosphere
NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has provided scientists their first look at a storm of energetic solar particles at Mars, produced...
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Nasa Prepares its Science Fleet For Oct. 19 Mars Comet Encounter
NASA's extensive fleet of science assets, particularly those orbiting and roving Mars, have front row seats to image and study a once-in-a-lifetime comet flyby...
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Tiny U.s. Region Is Methane 'hot Spot,' Nasa Finds
One small "hot spot" in the U.S. Southwest is responsible for producing the largest concentration of the greenhouse gas methane seen over the United States—more...
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Nasa's Nustar Telescope Discovers Shockingly Bright Dead Star
Astronomers have found a pulsating, dead star beaming with the energy of about 10 million suns. This is the brightest pulsar—a dense stellar remnant left over from...
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Striking View of Saturn's Polar 'Hexagon'
Nature is often more complex and wonderful than it first appears. For example, although it looks like a simple hexagon, this feature surrounding Saturn's north...
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Rosetta Comet Fires Its Jets
The four images that make up a new montage of comet 67P/Churyumov-Gerasimenko were taken on September 26, 2014 by the European Space Agency's Rosetta spacecraft...
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Nasa Mission Points to Origin of 'ocean of Storms' on Earth's Moon
Using data from NASA's Gravity Recovery and Interior Laboratory (GRAIL), mission scientists have solved a lunar mystery almost as old as the moon itself.
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Nasa's Newest Mars Mission Spacecraft Enters Orbit Around Red Planet
NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft successfully entered Mars' orbit at 7:24 p.m. PDT (10:24 p.m. EDT) Sunday, Sept. 21, where it now...
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Dawn Operating Normally After Safe Mode Triggered
The Dawn spacecraft has resumed normal ion thrusting after the thrusting unexpectedly stopped and the spacecraft entered safe mode on September 11.
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Nasa's Mars Curiosity Rover Arrives at Martian Mountain
NASA's Mars Curiosity rover has reached the Red Planet's Mount Sharp, a Mount-Rainier-size mountain at the center of the vast Gale Crater and the rover mission's...
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NASA Instrument on Rosetta: First Science Results
A NASA instrument aboard the European Space Agency's Rosetta orbiter has successfully made its first delivery of science data from comet 67P/Churyumov-Gerasimenko...
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Memory Reformat Planned For Opportunity Mars Rover
An increasing frequency of computer resets on NASA's Mars Exploration Rover Opportunity has prompted the rover team to make plans to reformat the rover's flash...
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Nasa Telescopes ncover Early Construction of Giant Galaxy
Astronomers have for the first time caught a glimpse of the earliest stages of massive galaxy construction.
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Nasa Pluto-Bound Spacecraft Crosses Neptune's Orbit
NASA's Pluto-bound New Horizons spacecraft has traversed the orbit of Neptune. This is its last major crossing en route to becoming the first probe to make a close...
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Voyager Map Details Neptune's Strange Moon Triton
NASA's Voyager 2 spacecraft gave humanity its first close-up look at Neptune and its moon Triton in the summer of 1989.
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