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Mars-Bound Comet Siding Spring Sprouts Multiple Jets

Thursday, March 27, 2014 11:16

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Hubble Space Telescope picture of comet C/2013 A1 Siding Spring as observed on March 11, 2014. At that time the comet was 353 million miles from Earth. When the glow of the coma is subtracted through image processing, which incorporates a smooth model of the coma's light distribution, Hubble resolves what appear to be two jets of dust coming off the nucleus in opposite directions. This means that only portions of the surface of the nucleus are presently active as they are warmed by sunlight, say researchers. Credit: NASA, ESA, and J.-Y. Li (Planetary Science Institute)

Left:Hubble Space Telescope picture of comet C/2013 A1 Siding Spring photographed March 11, 2014. At that time the comet was 353 million miles from Earth. Right: When the glow of the coma is subtracted through image processing, Hubble resolves what appear to be two jets of dust coming off the nucleus in opposite directions. Credit: NASA, ESA, and J.-Y. Li (Planetary Science Institute)

Comet Siding Spring, on its way to a close brush with Mars on October 19, has been kicking up a storm lately. New images from Hubble Space Telescope taken on March 11, when the comet was just this side of Jupiter, reveal multiple jets of gas and dust. (…)
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© Bob King for Universe Today, 2014. |
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Post tags: coma, Comet Siding Spring, Comets, Hubble, Mars