Summary: One really fascinating advantage of modern technology is that in a natural disaster, everyone takes out their cameras to document the event. Turns out scientists are not immune to this way of thinking. The Siding Spring Comet will be making a dramatic flyby of Mars and all cameras available will be watching.
This Oort Cloud object will be passing incredibly close to the planet; it will be just 139,000km above the surface. Okay, close in astronomer's terms. Because it will be so close, the rovers on the surface will be instructed to train their instruments upwards to study this comet. More importantly, the orbiters will also be watching. Only they must be extra careful. While not in danger of being smashed by the comet, the dust being shot off still poses a threat so they are going to be directed to the other side of the planet in order to avoid the tail.
I can't wait to see what new breakthroughs in comet research comes from this.
BBC News
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NASA JPL
It would be cool if the rovers could take a selfie with the comet in the background.
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