Sentences with phrase «ancient lunar ice»

Ancient lunar ice indicates the moon's axis slowly shifted by 125 miles, or 6 degrees, over 1 billion years.

Not exact matches

The fact lunar ice correlates so well with true polar wander implies that it predates this motion, Siegler said, making the ice very ancient.
a b c d e f g h i j k l m n o p q r s t u v w x y z