NASA’s New Horizons mission reached a special milestone yesterday, Dec. 2, 2011, on its way to reconnoiter the Pluto system, coming closer to Pluto than any other spacecraft. It’s taken New Horizons 2,143 days of high-speed flight – covering more than a million kilometers per day for nearly six years—to break the closest-approach mark of…
Pluto Archives
NASA’s New Horizons Becomes the Closest Spacecraft to Approach Pluto
Sunday, December 4th, 2011 at
10:49 pm
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Hubble Space Telescope Discovers New Moon Orbiting Pluto
Friday, July 22nd, 2011 at
2:26 pm
The NASA/ESA Hubble Space Telescope has discovered a new moon circling Pluto. P4, as it is currently called, is the smallest moon yet found orbiting Pluto, with an estimated size of 13–34 km. By comparison, Pluto’s largest moon, Charon, is 1043 km across, while Nix and Hydra are 32–113 km wide. The tiny, new satellite…
Mysterious Markings on Pluto
Saturday, April 17th, 2010 at
9:18 pm
Lonely Pluto floats in the darkness at the edge of our solar system. It’s so far away even the Hubble Space Telescope has trouble making out the details. Nevertheless, Pluto is so interesting, even fuzzy images of the dwarf planet are compelling. A team of researchers led by Marc Buie of the Southwest Research Institute…
Planet Pluto
Thursday, June 17th, 2004 at
1:49 pm
Pluto is the second-largest known dwarf planet in the Solar System (after Eris) and the tenth-largest body observed directly orbiting the Sun. Originally classified as a planet, Pluto is now considered the largest member of a distinct region called the Kuiper belt. In Roman mythology, Pluto (Greek: Hades) is the god of the underworld. The…
The Sun Now (Visible light) |
The Sun Now (H-Alpha light) |
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Aurora Oval (Northern Hemisphere) |
Aurora Oval (Southern Hemisphere) |
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