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• Frozen death looms for Phoenix Mars Lander
At the beginning of the mission, Goldstein said, Phoenix's solar arrays were generating about 3300 Watt-hours per sol, or Martian day (about 24 hours, 39 minutes) — that's enough energy to light a 60-Watt light bulb for 55 hours. On Sept. 13, or ...
• DVD reviews: ‘21,’ ‘Doomsday’
Survivor leader Sol (Craig Conway) interrogates DDS Major Eden Sinclair (Rhona Mitra) in the silly but hard-to-resist "Doomsday."
• NASA scrambles as sun sets on Mars lander
Now that the sun is not constantly above the horizon at our landing site we are generating less power every sol," said Phoenix project manager Barry Goldstein of NASA's Jet Propulsion Laboratory in Pasadena, Calif. "When we landed in late May, and ...
• The dangers of three quiet cancers
When such habits were considered unladylike, men with oral cancer outnumbered women 6 to 1, says Sol Silverman Jr., DDS, a professor of oral medicine at the University of California, San Francisco, School of Dentistry. "But in the last 50 years, the ...
• Feb. 2: Rovers double up on science
They plan to reformat Spirit's flash memory on Tuesday, during the next Martian day, or sol. But in the meantime, Spirit has resumed its analysis of Adirondack, the rock it was studying when the computer problem cropped up. "Today we are doing science ...