In trying to understand the formation of the early Earth, some researchers have suggested that the planet was dry and inhospitable to life until icy comets
pelted Earth and deposited water on the surface.
He says he can find no evidence to support the idea, suggested by some geologists, that it might have come from comets or other bodies which
pelted the Earth and Moon between 4.6 billion and 3.8 billion years ago.
PUMMELED PLANET Colossal rocks
pelted Earth during the planet's early years, annihilating any emerging life and creating magma - gushing gashes (red), as seen in an illustration.
Up to 84,000 meteorites
pelt Earth each year.
A particle accelerator mishap is improbable since nature regularly
pelts Earth with cosmic rays more energetic than the particles in the Large Hadron Collider.
Not exact matches
Earth is constantly being
pelted with debris from outer space.
«So once you had an
Earth - size planet, it was constantly being
pelted by the last few percent of this material that was still out there.
But reconnection opens rifts in
Earth's magnetic defenses, allowing solar particles to
pelt the planet.
From that perch, high above the bulk of
Earth's atmosphere, the box - shaped instrument was
pelted by heavy atomic nuclei from deep space, leaving bread - crumb trails of light in its three sets of detectors.
Life appeared on
Earth around 4 billion years ago, about the same time that the planet was being
pelted with large meteorites — an event called the Late Heavy Bombardment.
They could burn my flag or
pelt me with stones, but if there were taxidermied kittens to be had then I would go and bring them back to this, the greatest country on
earth.»
It would be the first time in the history of
earth that a sentient species knowingly and willingly charged full
pelt towards its own destruction, if Anthony Watts had his way.