Sentences with phrase «huge impact craters»
Recently, geologists suggested these grains may have formed in huge impact craters produced as chunks of rock from space, up to several kilometres in diameter, slammed into a young Earth.
http://www.chemeurope.com/
It was geologists who first noticed the evidence of huge impact craters on Earth that had formed long after the solar system settled into its present form, prompting biologists to speculate on whether those collisions dramatically altered life's evolution.
Not exact matches
Its charge was simple: Look for signs that Gale crater, a huge impact basin with a mountain at its center, might once have been habitable (for microbes, not...
Each grainy image took eight hours to receive, but the payoff was huge: Surprising evidence of deep impact craters banished the popular idea of Mars as a chillier version of Earth.
The flybys produced superb images of the surfaces of Jupiter's large Galilean satellites, revealing sulphurous volcanoes on Io, ice chasms on Europa, huge ringed impact craters on Callisto, and polygonal dark regions on Ganymede.