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In the close-up from the Cassini spacecraft, some of Saturn’s rings look rather like grooves in a phonograph record. I wonder if anyone has tried mapping those grooves to see if they can be played using the method described in “Groovy Pictures: Extracting sound from images of old audio recordings” (SN: 5/29/04, p. 339: Groovy […]
- Planetary Science
Titanic Images, Groovy Shots: Cassini arrives at Saturn
After a 7-year, 3.5-billion-mile journey, the Cassini spacecraft last week slipped through a gap between two of the icy rings circling Saturn and became the first spacecraft to orbit the distant planet.
- Earth
City Heat: Urban areas’ warmth affects plant growth
Satellite observations of eastern North America show that plants in and around urban areas bud earlier in the spring and retain their foliage later in the fall than do plants in nearby rural settings.
