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| September 09,2010 |
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The Extended Region Around the Planetary Nebula NGC 3242
Los Angeles CA (SPX) Apr 07, 2009This ultraviolet image from NASA's Galaxy Evolution Explorer shows NGC 3242, a planetary nebula frequently referred to as "Jupiter's Ghost." The unfortunate name of "planetary nebula" for this class of celestial object is a historical legacy credited to William Herschel during the 18th century - a time when telescopes where small and objects like these, at least the central region, looked ... read more *New* Comments: 0 Cassini Provides Virtual Flyover Of Saturn's Moon Titan 
Pasadena CA (SPX) Mar 25, 2009"Fly me to the moon" - to Saturn's moon Titan, that is. New Titan movies and images are providing a bird's-eye view of the moon's Earth-like landscapes. The new flyover maps show, for the first time, the 3-D topography and height of the 1,200-meter (4,000-foot) mountain tops, the north polar lake country, the vast dunes more than 100 meters (300 feet) high that crisscross the moon, and the ... read more *New* Comments: 0 Dancing Moon Shadows On Saturn's Rings 
Pasadena CA (SPX) Mar 24, 2009In a sure sign that Saturn is approaching that special time - called equinox - during its travels around the sun, images taken by the cameras of NASA's Cassini spacecraft have captured, for the first time, the shadows of the planet's moons cast onto its broad expanse of rings. Like Earth and most of the other planets, Saturn's spin axis is tilted relative to its motion around the sun. This ... read more *New* Comments: 0 Quadruple Saturn Moon Transit Snapped By Hubble 
Baltimore, MD (SPX) Mar 19, 2009On February 24, 2009, the Hubble Space Telescope took a photo of four moons of Saturn passing in front of their parent planet. In this view, the giant orange moon Titan casts a large shadow onto Saturn's north polar hood. Below Titan, near the ring plane and to the left is the moon Mimas, casting a much smaller shadow onto Saturn's equatorial cloud tops. Farther to the left, and off Saturn ... read more *New* Comments: 0 Cassini Swaps Thrusters 
Pasadena CA (SPX) Mar 13, 2009Early this morning the Cassini spacecraft relayed information that it had successfully swapped to a backup set of propulsion thrusters late Wednesday. The swap was performed because of degradation in the performance of the primary thrusters, which had been in use since Cassini's launch in 1997. This is only the second time in Cassini's 11 years of flight that the engineering teams have gon ... read more *New* Comments: 0 |
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