Sentences with phrase «bombardment by meteors»
Not exact matches
As a result, many geologists think they were supplied by one final meteor bombardment after the planet solidified.
https://www.newscientist.com/
«The planet has been through a lot worse than us... been through earthquakes, volcanoes, plate tectonics, continental drift, solar flares, sun spots, magnetic storms, the magnetic reversal of the poles, hundreds of thousands of years of bombardment by comets and asteroids and meteors, worldwide floods, tidal waves, worldwide fires, erosion, cosmic rays, recurring ice ages — and we think some plastic bags and some aluminum cans are going to make a difference?»