Black holes, space travel and comet chases

ESA – Comet 67P on November – NAVCAM – colored

Comet 67P (tited blue) Credit @ ESA/Rosetta/NAVCAM, CC BY-SA 3.0 IGO

Comet 67P (tited blue) Credit @ ESA/Rosetta/NAVCAM, CC BY-SA 3.0 IGO