Wednesday, February 17, 2010

Voyager 1’s valentine to Earth

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Life - The discovery of a Martian meteorite in Antarctica over a decade ago ignited the public imagination when it was claimed that the meteorite held signs of life. In this program, Kathy Sawyer discussed the story of the rock from Mars. Note: This program is from 2006.
g Cosmicus - NASA's Voyager 1 spacecraft sailed beyond the outermost planet in our solar system 22 years ago. As a parting gift, the craft turned its camera back toward the Sun and captured a family portrait of the planets. The image showed the Earth as a tiny and precious 'pale blue dot' among the stars. See article.
g Learning - Astronomy is about photons: collecting and analyzing photons of all energies reveals the universe. When the professional astronomy community assembles, as it has here in Hawaii, there's a high density of photon hunters. Ironically, the stars are hardly visible outside our hotels. Worldwide, many people live in urban and suburban centers under light polluted skies where the stars are barely visible. See article. Note: This article is from 2007.

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