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|  |  |  |  | | | | Article Images |  | Rosetta camera view of Tempel 1 brightness 4 July 2005
 | This animation, composed of false-colour images taken by the OSIRIS Narrow Angle Camera on board Rosetta, shows how the brightness of Comet 9P/Tempel 1 develops after impact. The separate images were taken at five-minute intervals around the impact time of 07:52 CEST (05:52 GMT/UT).
Credits: ESA/OSIRIS consortium |  |  |  |  |
| | | |  | A still from the sequence taken by the OSIRIS Narrow Angle Camera on board Rosetta, shows how the brightness of Comet 9P/Tempel 1 develops after impact.
Credits: ESA/OSIRIS consortium |  |  |  |  |
| | | |  | | The increase in visual brightness becomes very clear in this animated surface plot. In this animation, the brightness of image pixels seen by OSIRIS is plotted 'three-dimensionally', i.e. the brighter they are, the higher they are in the plot.
Images were taken at five-minute intervals around the impact time of 07:52 CEST (05:52 GMT/UT) on 4 July 2005. |  |  |  |  |
| | | |  | The increase in visual brightness becomes very clear in this animated surface plot. Here the first and last images are taken from the animation. The brightness of image pixels seen by OSIRIS is plotted 'three-dimensionally', i.e. the brighter they are, the higher they are in the plot.
Images were taken at five-minute intervals around the impact time of 07:52 CEST (05:52 GMT/UT) on 4 July 2005.
Credits: ESA/OSIRIS consortium |  |  |  |  |
| | | |  | A 'light curve' of Comet 9P/Tempel 1 produced by the OSIRIS Narrow Angle Camera using its clear filter. This shows how the comet's intensity varies in time, starting from impact. The light curve shows that about 30 minutes after impact the brightness of the comet had increased by five times.
Credits: ESA/OSIRIS consortium |  |  |  |  |
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