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Alice is an ultraviolet imaging spectrometer that is one of two photographic instruments comprising New Horizons ' Pluto Exploration Remote Sensing Investigation (PERSI); the other being the Ralph telescope. It resolves 1,024 wavelength bands in the far and extreme ultraviolet (from 50– 180 nm), over 32 view fields. Its goal is to determine ...
This series of New Horizons images of Pluto and its largest moon, Charon, was taken at 13 different times spanning 6.5 days, starting on April 12 this year and ending on April 18. (Photo credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute)
During the post Pluto cruise, REX is normally turned on monthly to measure the electron density of the solar wind between Earth and the spacecraft. [8] When New Horizons flew by Pluto in 2015, it was at about 32.9 AU from the Sun, and about 43.6 AU for the New Year's Day 2019 flyby of Arrokoth. [9] [10]
The nine missions include two, Ulysses and New Horizons, whose primary objectives were not outer planets, but which flew past Jupiter to gain gravity assists en route to a polar orbit around the Sun (Ulysses), and to Pluto (New Horizons). Pluto was considered a planet at the time that New Horizons launched, but was reclassified as a dwarf planet.
On the morning of July 14th, after traveling for nearly 10 years, New Horizons reached its Pluto flyby destination point. Stephen Hawking was quick to extend his praise on the historic ...
NASA has released a map of Pluto's surface made from images recently taken by the New Horizons probe and it includes some quite mysterious features. Particularly notable is the lightened area ...
January 15, 2015: Start of Pluto observations. New Horizons is now close enough to Pluto and begins observing the system. [41] [42] March 10–11, 2015: New Horizons reaches a distance of 1 AU from the Pluto system. [43] March 20, 2015: NASA invites the general public to suggest names for surface features that may be discovered on Pluto and ...
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