Comet Siding Spring, infrared image

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Comet Siding Spring, infrared image

Comet Siding Spring, infrared image. This comet, also known as C/2007 Q3, was discovered in 2007 by observers in Australia. On 7 October 2009, it passed near the Earth and Sun. Longer wavelengths of infrared light are red and shorter wavelengths are blue. The comet appears red because it is more than ten times colder than the surrounding stars. Comets like this one date from the formation of the solar system 4.5 billion years ago. This image is from NASAs Wide-field Infrared Survey Explorer (WISE). The WISE measurements revealed the comets size, composition, and reflectivity. Image obtained on 10th January 2010

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Media ID 9207401

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2010 Ancient Astronomical Body Astrophysical Astrophysics Coma Comet Cometary Dust Infrared Nasa Nucleus Object Planetary Science Rock Solar System Space Telescope Tail Wide Field Infrared Survey Explorer Wise Widefield

EDITORS COMMENTS
This print showcases the mesmerizing beauty of Comet Siding Spring, as captured by NASA's Wide-field Infrared Survey Explorer (WISE). Also known as C/2007 Q3, this ancient celestial object was first discovered by Australian observers in 2007. On October 7,2009, it made a close encounter with both Earth and the Sun. In this stunning infrared image, longer wavelengths are depicted in red while shorter ones appear blue. The comet's distinct crimson hue is a result of its bone-chilling temperature which is over ten times colder than the surrounding stars. Comets like Siding Spring originated during the formation of our solar system approximately 4.5 billion years ago. The WISE measurements utilized in capturing this image provided valuable insights into the size, composition, and reflectivity of this cometary rock and ice structure. Its single tail composed of dust particles adds to its ethereal appearance against the backdrop of space. As we gaze upon this photograph taken on January 10th, 2010, we are reminded of humanity's enduring fascination with objects that have traversed through time itself. This remarkable snapshot serves as a testament to our relentless pursuit of knowledge about our cosmic surroundings and offers us a glimpse into the vastness and grandeur that exists beyond our planet Earth.

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