NASA’s Jet Propulsion Laboratory

NASA's WISE Finds That Most Centaurs Are Comets

Celestial centaurs — the small sub-planetary bodies that are found orbiting the sun somewhere between Jupiter and Neptune — have remained something of a mystery since their discovery. What exactly are they? Asteroids? Comets? Well new research done using NASA’s Wide-field Infrared Survey Explorer (WISE) may finally be providing an answer to those questions —

Saturn's Moon Dione May Possess Subsurface Ocean

Saturn’s moon Dione may possess a subsurface ocean, one which may have at one time been geologically active, new images obtained by NASA’s Cassini spacecraft suggest. The new images are of Dione’s rather strange 500-mile-long mountain — Janiculum Dorsa. After analysis by researchers on the Cassini science team, it’s been concluded that the images suggest

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