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Latest Viking program Stories

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2006-07-31 18:45:00

Electricity generated in dust storms on Mars may produce reactive chemicals that build up in the Martian soil, according to NASA-funded research. The chemicals, like hydrogen peroxide (H2O2), may have caused the contradictory results when NASA's Viking landers tested the Martian soil for signs of life, according to the researchers. Lead authors Gregory Delory, senior fellow at the University of California Berkeley Space Sciences Laboratory, and Sushil Atreya, planetary science professor at...

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2006-07-14 18:20:00

Thirty years after the first successful landing on Mars by NASA's Viking spacecraft, the ambitious mission continues to evoke pride and enthusiasm for future space exploration. NASA's Viking 1 and 2 missions to Mars, each consisting of an orbiter and a lander, became the first space probes to obtain high resolution images of the Martian surface; characterize the structure and composition of the atmosphere and surface; and conduct on-the-spot biological tests for life on another planet....

2006-03-15 16:20:00

By Irene Klotz HOUSTON (Reuters) - To learn if Mars ever supported life, researchers should look underground, a scientist presenting results of the Mars Express mission said at a conference this week. The European Space Agency's orbiter has mapped almost the entire planet for minerals that bear chemical fingerprints of past encounters with water. Less than 1 percent of the planet's surface bears signs of hydrated minerals, said Jean-Pierre Bibring, the lead investigator for the Mars Express...

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2005-08-08 03:25:00

LOS ANGELES -- A year and a half after twin robot rovers thrilled space fans with their hijinks on Mars, NASA is heading there again. A fourth Mars orbiter is set to blast off Wednesday, carrying some of the most sophisticated science instruments ever sent into space. Circling the Red Planet, the Mars Reconnaissance Orbiter will scan the desolate surface in search of sites to land more robotic explorers in the next decade. "It's time we start peeling back the onion layer and start looking...

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2005-06-29 00:25:00

BERKELEY -- The dry, dusty, treeless expanse of Chile's Atacama Desert is the most lifeless spot on the face of the Earth, and that's why Alison Skelley and Richard Mathies joined a team of NASA scientists there earlier this month. The University of California, Berkeley, scientists knew that if the Mars Organic Analyzer (MOA) they'd built could detect life in that crusty, arid land, then it would have a good chance some day of detecting life on the planet Mars. In a place that hadn't...

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2005-02-10 07:58:47

What challenges might arise beyond the logistics of getting to Mars? Weather and biology might face astronauts working within an extended stay mission. Astrobiology Magazine -- The National Research Council was tasked with evaluating the risks of landing humans safely to work on Mars. Their report highlights a number of unique aspects in transit to the red planet, as well as once humans step out onto the surface. In this first of two parts summarizing some key points, their report goes...

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2005-01-30 10:00:00

In this multipart series on the twin Viking landers that pioneered surface imagery and exploration on Mars, the events leading to the first and tense rocket-powered landing of Viking I are described. Astrobiology Magazine -- The NASA History Office has compiled a definitive account of the early robotic exploration of the martian surface. The account's first-person immediacy highlights particularly the pair of Viking landers that lasted for up to six years on the surface. AM excerpts a...


Word of the Day
snash
  • To talk saucily.
  • Insolent, opprobrious language; impertinent abuse.
This word is Scots in origin and probably imitative.