Word: comets
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...Side could have been one of the dozens of sports inspirationals that reach their core audiences, moisten many eyes and retire quickly to the DVD shelves. Yet it's obviously connecting on a grand scale and at a high intensity. So I decided to grab the tail of this comet and, back from vacation, see the movie. At two-plus hours, it feels longer than all six Rockys, but I could see why the mixed-race crowd with me at a midtown Manhattan theater loved it. I could also see why critics - those soulless skeptics - were troubled by the film...
...shower occurs each year when Earth passes through the trail of dust that follows the Tempel-Tuttle comet. Dust from the comet, which orbits the Sun once every 33 years, passing close to the Earth, can burn through our atmosphere at speeds of 160,000 miles per hour...
...trail of a comet passing through the earth’s atmosphere; you get more meteors and a better chance of brighter meteors the closer it gets,” said Samuel M. Meyer ’13, a hopeful astrophysics concentrator...
...moon's ice might have come from comet impacts, which would date it back to the earliest days of our solar system; that ice would hold a record of the cosmic chemistry of those formative times. But the ice could have also been formed by particles streaming from the sun, which gradually combined with lunar minerals to form water, then ice. Or it might have come from Earth, perhaps in the gigantic collision that created the moon in the first place. Whatever its origins, says Delory, the prospect of studying it is really exciting...
...competition at all. By about 90 million years ago at the latest, T. rex - or as we might now say, the king-size version of Raptorex - was unchallenged. "There was no turning back," says Sereno, referring to the leading theory on why the dinosaurs became extinct, "until the comet...