Astronomy Alasdair Wilkins PO 9/04/11 7:00am 9/04/11 7:00am g 13,184L 23Edit These are the remains of an ancient river on Mars These are the remains of an ancient river on Mars Astronomy Alasdair Wilkins PO 9/04/11 7:00am 9/04/11 7:00am g 13,184L 23EditThis image reveals the dark sediments and worn path of what was once a river delta, connecting a river with its lake terminus. Though this river bed has been dry for eons, it's proof that rivers once ran on Mars. Read… 123L
