If they could only find some rock with the words going all the way through. That'd be proof enough for me.
NASA's nuclear-powered Curiosity rover has aimed its ChemCam laser at some unusually light-coloured rocks on Mars and discovered surprising similarities between them and the rocks of Earth's granitic continental crust. The evidence of a "continental crust" on Mars is a huge discovery from the space-tank, now rumbling over the …
Biting the hand that feeds IT © 1998–2021