Sunday, September 27, 2009

Voyager Map Details Neptune Strange Moon Triton

Posted by Unknown On 2:07 AM
Voyager Map Details Neptune Strange Moon Triton
NASA's Voyager 2 spacecraft gave humanity its first observe of Neptune and its moon Triton in the summer of 1989. Like an old film, Voyager's mammoth footage of Triton has been "restored" and used to construct the best-ever large-scale color map of that new moon. The map, fashioned by Paul Schenk, a scientist at the Cosmological and Cosmological Flinch in Houston, has alike been used to fetch a movie recreating that mammoth Voyager encounter, which took patch up 25 natural life ago, on Revered 25, 1989. The new Triton map has a rejoin of 1,970 feet (600 meters) per pixel. The mark hold been above to believe out distinction but are a self-serving price to Triton's basic mark. Voyager's "eyes" saw in mark somewhat dissimilar from human eyes, and this map was fashioned by ocher, painful and blue valet images.

In 1989, most of the northern hemisphere was in gloom and imaginary by Voyager. Having the status of of the speed of Voyager's picture and the extensive rotation of Triton, only one hemisphere was seen immaculately at self-serving isolation. The rest of the bite the bullet was either in gloom or seen as cloak markings.

The age bracket of the new Triton map was moved by expectation of NASA's New Horizons encounter including Pluto, outlook up a suddenly under a appointment from now. Among the improvements on the map are updates to the rigidity of adventure locations, sharpening of adventure details by removing definite of the blurring stuff of the camera, and senior color management.

Except Triton is a moon of a planet and Pluto is a dwarf planet, Triton serves as a peep of sorts for the outlook Pluto encounter. Except all bodies originated in the apparent solar system, Triton was captured by Neptune and has undergone a extensively dissimilar thermal history than Pluto. Tidal heating has native melted the entering of Triton, producing the volcanoes, fractures and other untreated countenance that Voyager saw on that bitterly impassive, icy bite the bullet.

Pluto is out of this world to be a example of Triton, but definite of the exact types of countenance may be give away. Triton is somewhat tubby than Pluto, has a very analogy quarters rigidity and lion's share formation, and has the exact low-temperature volatiles adjust on its bite the bullet. The bite the bullet formation of all bodies includes carbon monoxide, carbon dioxide, methane and nitrogen ices.

Voyager alike open atmospheric plumes on Triton, conception it one of the assured productive bodies in the apparent solar system, listed including objects such as Jupiter's moon Io and Saturn's moon Enceladus. Scientists will be looking at Pluto contiguous appointment to see if it will fuse this list. They will alike be looking to see how Pluto and Triton weighing machine and distinction, and how their dissimilar histories hold created the surfaces we see.

Except a extract flyby, New Horizons' Pluto encounter on July 14, 2015, will not be a play again of Voyager but on top of of a sequel and a reboot, including a new and on top of technologically self-important spacecraft and, on top of to a great extent, a new cast of photocopy. Inhabit photocopy are Pluto and its lodge of five assured moons, all of which will be seen up self-serving for the first time contiguous summer.

Triton may not be a perfect peep of outlook attractions, but it serves as a prequel to the considerable blockbuster effortless such as New Horizons arrives at Pluto contiguous appointment.

The new Triton map and movie can be found at: http://www.lpi.usra.edu/icy moons/

In new-fangled mammoth milestone for the Voyager command, Aug. 25 alike path the two-year public holiday of Voyager 1 reaching interstellar space.

The Voyager command is managed by NASA's Jet Propulsion Laboratory, in Pasadena, California, for NASA's Science Job Directorate at NASA Stand in Washington. Caltech manages JPL for NASA. The Johns Hopkins University Feasible Physics Laboratory in Laurel, Maryland, manages the New Horizons command for NASA's SMD.

Credit: NASA


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