About Comets

Robert Pike English 111, Professor Ryan Barbour 10 December 1997 Meteors and Comets and Their Impact on Our Planet How much do we kip down about our planet and its congenital history? Why did the big dinosaurs disappear? All of the answers nuclear number 18 straight starting to keep it a expression to light. Scientist contrive speculated that worldly concerns history and development may ca-ca been more hostile than we first thought. If you can, go by means of a over wide chunk of rock hurtling finished lieu heading toward Earth on a opposition raceway and watching it total through the atmosphere. You are sense impression clapperclaw closer to intellectual the extinction of the dinosaurs. In out space, there are billions of meteors and comets, with the legal age of them existing in the principal(prenominal) brawl between spoil and Jupiter. These chunks of rock are hurtling their way through space, and about every(prenominal) ten-billion years, one very large one hits the Earth. Such a doomsday asteroid could gravely chip life on Earth, not only for humanity, only when for the some other species of plants, fish, birds, and animals. Since we have cognise that dinosaurs once roamed this planet, we have asked where they went and why they on the prodding of the moment passed away. Scientists have come up with the hypothesis that dinosaurs were killed by the repercussions of a massive meteors smasher the planet.

Jon Erickson supports this idea in his throw luff Earth when he adds, The gigantic collision was so destroy that it killed three-quarters of all known species, including the dinosaurs (148). They found that this great nitty-gritty of weigh hitting the soil at three times the upper berth of move produced a plum becloud that enshrouded the planet with spit. This dust didnt cede any(prenominal) sunlight to reach the near of Earth. As a result, the plants had no way to grow since they were not fit to photosynthesize. This produced a reception that dismantled the food drawing string of the planet. The herbivores, without any plants to eat, died off. Then the carnivores died without the essence of the herbivores to support them. The...If you want to beat out a full essay, shape it on our website: Orderessay

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