Bruce Murray Space Image Library
Comet Siding Spring from Mars Reconnaissance Orbiter CRISM
![Comet Siding Spring from Mars Reconnaissance Orbiter CRISM](https://planetary.s3.amazonaws.com/web/assets/pictures/_768x380_crop_center-center_60_line/71789/20141103_PIA15291.jpg 768w, https://planetary.s3.amazonaws.com/web/assets/pictures/_576x285_crop_center-center_60_line/71789/20141103_PIA15291.jpg 576w)
The three colors represent the amount of signal in three regions of the visible and near-infrared spectrum. For each pixel, the median of 850-980 nanometers is displayed as red, 720-850 nanometers as green, and 500-630 nanometers as blue.