On the Cover — Issue 46, Spring 2012

On the Cover — Issue 46, Spring 2012

Astronomers used the Galaxy Evolution Explorer (GALEX) telescope to take this deep image in ultraviolet light of the sprawling spiral galaxy M81, hoping to learn where it kept its hot stars. Hot stars emit more ultraviolet than cool stars, and are frequently associated with young, open clusters of stars and energetic star-forming regions. Less than […]

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The NASA Digital Astronaut Project

The NASA Digital Astronaut Project

By Lealem Mulugeta and DeVon Griffin   Conducting human missions beyond low-Earth orbit to destinations such as asteroids and Mars will require substantial work to ensure the well-being of the crew.

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International Collaboration on BepiColombo

International Collaboration on BepiColombo

By Elsa Montagnon   BepiColombo is a collaborative mission to Mercury between the European Space Agency (ESA) and the Japanese Aerospace Exploration Agency (JAXA) due to launch in August 2015.

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Space-Propulsion Technology Helps Suppress Fires Faster

Space-Propulsion Technology Helps Suppress Fires Faster

By Bo Schwerin   Much deserved attention is given to the feats of innovation that allow humans to live in space and robotic explorers to beam never-before-seen images back to Earth.

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Building the Watson Team

Building the Watson Team

By David Ferrucci   On January 14, 2011, I was in the audience at IBM’s Watson Research Lab in Yorktown, New York, along with company executives, major clients, and my project team when our Watson computer soundly defeated two human champions in the third round of their Jeopardy! competition.

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An Argentine Partnership with NASA

An Argentine Partnership with NASA

By Matthew Kohut   When the Aquarius mission launched from Vandenberg Air Force Base in June 2011, few Americans outside the Earth-science and space communities probably knew that the satellite itself came from Argentina.

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CLARREO: Bringing Disciplines Together

CLARREO: Bringing Disciplines Together

By David Young   CLARREO, the Climate Absolute Radiance and Refractivity Observatory, is an Earth-science satellite mission in pre-Phase A (conceptual study) that is being designed to capture critical climate-change data much more precisely than has been possible with existing instruments.

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GALEX: Managing the Unexpected

GALEX: Managing the Unexpected

By James Fanson   They say that good things come in small packages, and this has certainly been true for NASA’s Explorer Program. Explorers are among the lowest-cost missions flown by NASA, but they can pack a big scientific punch.

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