4 ms·
One of the links goes to an earlier APOD from 2007 of other holes in Mars: http://apod.nasa.gov/apod/ap070528.html http://apod.nasa.gov/apod/ap070528.html
by a1k0n 14y ago
One of the links goes to an earlier APOD from 2007 of other holes in Mars: http://apod.nasa.gov/apod/ap070528.html http://apod.nasa.gov/apod/ap070528.html