Extinct ‘extra-terrestrial equivalent of the Rhine’ spotted on Mars
‘Extra-terrestrial equivalent of the Rhine’: First evidence of a major RIVER on Mars is discovered in 3.7 billion-years-old sedimentary rocks preserved in exposed cliff-faces Astronomers studied a 650ft cliff face in a crater on the surface of Mars It had marks which revealed a river flowed there around 3.7billion years ago It is unknown how … Read more