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Dust and gas from Comet 9P/Tempel 1 seen by ESA OGS

5 July 2005

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Comet 9P/Tempel 1 observed with the 1-metre ESA Optical Ground Station (OGS) telescope, Tenerife, Canary Islands. The images here were taken with a broadband red filter, four days before and about 15 hours after the impact respectively, and show the dust coma of the comet.

Credits: ESA

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Comet 9P/Tempel 1 observed with the 1-metre ESA Optical Ground Station (OGS) telescope, Tenerife, Canary Islands. The images here were taken a narrowband filter (C2 emission band) showing the coma gas mixed with smaller-sized dust particles than observed in the broadband red image, two days before and about 16 hours after the impact respectively.

Credits: ESA

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Comet 9P/Tempel 1 observed with the 1-metre ESA Optical Ground Station (OGS) telescope about 16 hours after the impact with the comet nucleus. The two images show the reflection of blue and red light from the dust cloud surrounding the comet nucleus. These reflections show different dust particle sizes, with blue particles being smaller than red particles.

Credits: ESA

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