Image of the Day: Just how big is Rosetta's Comet C-G?

The European Space Agency's Rosetta spacecraft is now orbiting the rubber-ducky-shaped Comet Churyumov-Gerasimenko en route to the sun, and will continue its historic dance for the next 18 months.  Since its rendezvous two weeks ago, the comet probe has delivered some astonishing close-up images of the cosmic snowball's mysterious pocked surface.  

If you ever wondered about the comparative size of Comet C-G, check out the shocking photo below, which really puts things into quick perspective.  

Heads up!  If it were ever to collide with Earth it would take more than Bruce Willis and his Armageddon team to save us from certain extinction.   Thanks to Michel, AKA @quark1972 on Twitter, for this illuminating image.  Watch the skies!

(Via io9)

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