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IRON AND ICE
NASA's Hubble: Galaxies, Comets, and Stars! Oh My!
by Staff Writers
Baltimore MD (SPX) Jul 26, 2013


The images were taken with the Wide Field Camera 3 on April 30, 2013.

Approaching the sun, Comet ISON floats against a seemingly infinite backdrop of numerous galaxies and a handful of foreground stars.

The icy visitor, with its long gossamer tail, appears to be swimming like a tadpole through a deep pond of celestial wonders.

In reality, the comet is much, much closer.

The nearest star to the sun is over 60,000 times farther away, and the nearest large galaxy to the Milky Way is over thirty billion times more distant.

These vast dimensions are lost in this deep space Hubble exposure that visually combines our view of the universe from the very nearby to the extraordinarily far away.

In this composite image, background stars and galaxies were separately photographed in red and yellow-green light.

Because the comet moved between exposures relative to the background objects, its appearance was blurred.

The blurred comet photo was replaced with a single, black-and-white exposure.

The images were taken with the Wide Field Camera 3 on April 30, 2013.

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Related Links
Comet ISON at Hubble
Asteroid and Comet Mission News, Science and Technology






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IRON AND ICE
Spitzer Observes Gas Emission From Comet ISON
Pasadena CA (SPX) Jul 26, 2013
Astronomers using NASA's Spitzer Space Telescope have observed what most likely are strong carbon dioxide emissions from Comet ISON ahead of its anticipated pass through the inner solar system later this year. Images captured June 13 with Spitzer's Infrared Array Camera indicate carbon dioxide is slowly and steadily "fizzing" away from the so-called "soda-pop comet," along with dust, in a ... read more


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