Sentences with phrase «ejected by asteroid»
The bright areas around craters appear to be composed of pristine and possibly primodial material uncovered and ejected by asteroid collisions that may extend for 19 miles (30 kilometers) or more.
http://www.solstation.com/ Not exact matches
The meteorite, dubbed Northwest Africa (NWA) 7034, contains a concentration of water by weight about ten times higher than in any of the other 100 or so known Martian meteorites — those rare rocks that get ejected from the Martian surface into space when an asteroid hits the planet, and eventually find their way to Earth.
«Instead of being ejected from orbit by Jupiter, as one would expect, the asteroid is in a configuration that assures stability thanks to co-orbital resonance, meaning its motion is synchronized with the planet's, avoiding collisions,» Morais said.
And Jupiter's great mass ensures that only asteroids occupy the orbit between it and Mars; anything larger gets ejected from the area by the gas giant's gravity.