netwatch | Shared With: Everyone - Aug 26 2007 | space, science, nasa
The moon shots that researchers and the public have gazed at over the years are mainly copies--or copies of copies--that don't match the originals in clarity, color, or contrast.
But at last, we all will get to see the originals. Arizona State University (ASU) in Tempe, the Lunar and Planetary Institute, and NASA are posting high-resolution scans of the 35,000 photos from the Apollo missions--from film that has been chilling out in a freezer in Houston, Texas, for more than 30 years.
The digitized images will enable researchers to draft more precise topographic maps of the lunar surface, for example, and to evaluate possible landing sites for future moon missions, says geologist Mark Robinson of ASU. The archive is just gearing up but will have several hundred images by next month.
Volume 317, Number 5840, Issue of 17 August 2007
- netwatch | Shared With: Everyone - Dec 03 2006 | science, space, satellite, imaging
Very like a Paul Klee painting, this satellite image of an area south of Garden City, Kansas, depicts where wheat is grown with center-pivot irrigation that creates circle-shaped fields. Reddest areas are crops that reflect near-infrared wavelengths. Light-colored areas are fallow or harvested fields.
The wheat snapshot is one of 41 dazzling, zoomable satellite images from the last 30 years put together by the Smithsonian Institution Traveling Exhibition Service. The Web site also contains an explanation of how remote sensing works and links to teaching materials for grades 5 through 12.
Volume 314, Number 5803, Issue of 24 November 2006
- netwatch | Shared With: Everyone - Sep 17 2006 | science, audioization, space, astronomy
Lightning in Saturn's atmosphere sounds like raindrops pattering on leaves, and the microwave radiation left over from the big bang is reminiscent of a vacuum cleaner running in the next room. These two sites let you listen to space, offering recordings of unearthly noises and various types of energy translated into frequencies we can hear. At Spacesounds,* a commercial site created by artists and scientists, you can tune in to the magnetosphere of Jupiter's moon Ganymede, the Vela pulsar, and other objects. Space-flight devotees can play hours of communications between ground control and the crews of the Apollo, Gemini, Mercury, and space-shuttle missions. The squeaks, chirps, roars, and other noises at Space Audio from the University of Iowa in Iowa City sound like they came from a David Lynch movie.
Science 15 September 2006:
Vol. 313. no. 5793, p. 1547 - netwatch | Shared With: Everyone - Sep 17 2006 | science, space, astronomy, audioization
Lightning in Saturn's atmosphere sounds like raindrops pattering on leaves, and the microwave radiation left over from the big bang is reminiscent of a vacuum cleaner running in the next room. These two sites let you listen to space, offering recordings of unearthly noises and various types of energy translated into frequencies we can hear. At Spacesounds,* a commercial site created by artists and scientists, you can tune in to the magnetosphere of Jupiter's moon Ganymede, the Vela pulsar, and other objects. Space-flight devotees can play hours of communications between ground control and the crews of the Apollo, Gemini, Mercury, and space-shuttle missions. The squeaks, chirps, roars, and other noises at Space Audio from the University of Iowa in Iowa City sound like they came from a David Lynch movie.
Science 15 September 2006:
Vol. 313. no. 5793, p. 1547
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