Separation between Comet C/2013 A1 Siding Spring and Mars during its October 19, 2014 flyby
![Separation between Comet C/2013 A1 Siding Spring and Mars during its October 19, 2014 flyby](https://planetary.s3.amazonaws.com/web/assets/pictures/_2400x1335_crop_center-center_82_line/20141019_CometSidingSpring-Mars-to-scale_annotated_Schaller_updated_sep135000km_25_v3.jpg 2400w, https://planetary.s3.amazonaws.com/web/assets/pictures/_1200x667_crop_center-center_82_line/20141019_CometSidingSpring-Mars-to-scale_annotated_Schaller_updated_sep135000km_25_v3.jpg 1200w, https://planetary.s3.amazonaws.com/web/assets/pictures/_768x427_crop_center-center_60_line/20141019_CometSidingSpring-Mars-to-scale_annotated_Schaller_updated_sep135000km_25_v3.jpg 768w, https://planetary.s3.amazonaws.com/web/assets/pictures/_576x320_crop_center-center_60_line/20141019_CometSidingSpring-Mars-to-scale_annotated_Schaller_updated_sep135000km_25_v3.jpg 576w)
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