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Latest Alfred McEwen Stories

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2008-12-08 16:15:00

A $2 pair of cardboard 3-D glasses is a must-have on holiday gift lists. The High Resolution Imaging Science Experiment, or HiRISE, team based at The University of Arizona today released 362 three-dimensional images of Mars taken by the HiRISE camera on NASA's Mars Reconnaissance Orbiter. Other Mars-orbiting cameras have taken 3-D views of Mars, but the HiRISE camera "“ the most powerful camera ever to orbit another planet "“ can resolve features as small as one meter, or 40...

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2007-02-15 14:00:00

Liquid or gas flowed through cracks penetrating underground rock on ancient Mars, according to a report based on some of the first observations by NASA's Mars Reconnaissance Orbiter. These fluids may have produced conditions to support possible habitats for microbial life. These ancient patterns were revealed when the most powerful telescopic camera ever sent to Mars began examining the planet last year. The camera showed features as small as approximately 3 feet across. Mineralization took...

2006-03-24 19:34:42

By Gina Keating LOS ANGELES (Reuters) - The Mars Reconnaissance Orbiter on Friday returned the first test images from its super high-resolution cameras, the most powerful photographic equipment to be trained on the Red Planet in NASA's search for water and life. The black-and-white photos, taken by three cameras, show deep channels and layered surface debris around the planet's midsection, features that probably were formed by water, said Alfred McEwen, a mission scientist and...


Word of the Day
jument
  • A beast of burden; also, a beast in general.
'Jument' ultimately comes from the Latin 'jugum,' yoke.
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