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Flashback To Neptune's Moon Triton
Pasadena CA (SPX) Aug 31, 2009 Newly released images commemorate the 20-year anniversary of the Voyager flyby of Neptune's moon Triton on Aug. 24, 2009. Triton was the last solid object visited by NASA's Voyager 2 spacecraft as it headed toward the edges of our solar system. Triton, Neptune's largest moon, is one of the "coolest" objects in the solar system, literally, with a surface temperature of minus 235 degrees Celsius (minus 391 degrees Fahrenheit). Voyager 2 discovered that Triton has active geysers. The images and a movie show the moon's sparsely cratered surface with smooth volcanic plains, mounds and round pits formed by icy lava flows. The Voyagers are the farthest human-made objects in the solar system. Voyager 1 is 16.6 billion kilometers (10.3 billion miles) or about 111 Astronomical Units from the Sun. Voyager 2 is 13.5 billion kilometers (8.4 billion miles) or about 90 Astronomical Units from the Sun. Both are expected to reach interstellar space in five to eight years (2014 - 2017). Share This Article With Planet Earth
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Spacecraft Gets Remote Annual Check Up From HomeLaurel MD (SPX) Jul 16, 2009 The work is fun, no doubt there; but it never ends on this mission of exploration - particularly in the summer, when we conduct our annual spacecraft checkouts. We awakened New Horizons from its record-setting 202-day electronic hibernation just last week, on July 7. We're now almost 14 astronomical units from the Sun (the official crossing date will be July 27), and nearing the halfway ... read more |
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