Magazine
January-February 2010
January-February 2010
Volume: 98 Number: 1
More than a hundred exposures taken by the Phoenix lander’s surface stereo imager camera were combined and projected as if the viewer is looking down from above to create this remarkably clear image of the spacecraft millions of miles away on the surface of Mars. The black circle is where the camera itself is mounted to the craft, an area that is out of the field of view of the camera. In “Phoenix on Mars”, Walter Goetz describes the scientific studies that the lander has carried out on-site in the Martian polar region, including analyses of soil chemistry and water ice, often using its robotic arm. Phoenix has also made detailed observations of Martian weather and the complete water cycle on the red planet. (Images courtesy of NASA/JPL-Caltech/University of Arizona/Texas A&M University.)
In This Issue
- Art
- Astronomy
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- Chemistry
- Communications
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- Environment
- Ethics
- Evolution
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- Physics
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- Technology
Phoenix on Mars
Walter Goetz
Astronomy Chemistry Physics
The latest successful landing craft has made new discoveries about water on the red planet
Neural Interfaces
Warren Grill
Biology Engineering Technology
Communicating with the nervous system through implanted devices requires engineering solutions to biomedical problems
Carbon Dioxide and the Climate
James Rodger Fleming, Gavin Schmidt, Gilbert N. Plass
Chemistry Environment Physics
A 1956 American Scientist article explores climate change; two contemporary commentaries illuminate its relevance to the present