Hubble spots Mars-bound comet Siding Spring sprout multiple jets

Hubble spots Mars-bound comet Siding Spring sprout multiple jets

NASA released a new image of a comet C/2013 A1 – Siding Spring today. With relative speed of 56 km/s this comet will pass extraordinarily close to Mars on October 19, 2014. It is expected to fly by Mars within 135 185 km (84 000 miles), which