Comets in Helix Nebula in Constellation Aquarius 

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"This infrared image from NASA's Spitzer Space Telescope shows the Helix nebula, a cosmic starlet often photographed by amateur astronomers for its vivid colors and eerie resemblance to a giant eye. The nebula, located about 700 light-years away in the constellation Aquarius, belongs to a class of objects called planetary nebulae. Discovered in the 18th century, these colorful beauties were named for their resemblance to gas-giant planets like Jupiter. Planetary nebulae are the remains of stars that once looked a lot like our sun. When sun-like stars die, they puff out their outer gaseous layers. These layers are heated by the hot core of the dead star, called a white dwarf, and shine with infrared and visible colors. Our own sun will blossom into a planetary nebula when it dies in about five billion years. In Spitzer's infrared view of the Helix nebula, the eye looks more like that of a green monster's. Infrared light from the outer gaseous layers is represented in blues and greens. The white dwarf is visible as a tiny white dot in the center of the picture. The red color in the middle of the eye denotes the final layers of gas blown out when the star died. The brighter red circle in the very center is the glow of a dusty disk circling the white dwarf (the disk itself is too small to be resolved). This dust, discovered by Spitzer's infrared heat-seeking vision, was most likely kicked up by comets that survived the death of their star. Before the star died, its comets and possibly planets would have orbited the star in an orderly fashion. But when the star blew off its outer layers, the icy bodies and outer planets would have been tossed about and into each other, resulting in an ongoing cosmic dust storm. Any inner planets in the system would have burned up or been swallowed as their dying star expanded." - NASA Official Site. This photo was taken by NASA. Highly recommended for framed images.

 

Location (click the links to see all photos for each location)
Country: United States Sunsets
State/Region: Helix Nebula Sunsets
City: Constellation Aquarius Sunsets
About This Photo:
Billy Buckles
Photo Name: Comets in Helix Nebula in Constellation Aquarius
Country: United States
State/Region: Helix Nebula
City: Constellation Aquarius
Camera: Spitzer Space Telescope
 

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About This Photographer:
Billy Buckles
Country: USA
State/Region: California
City: Playa del Rey
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