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 know about our planet and its immanent history? Why did the great dinosaurs disappear? All of the answers atomic number 18 now starting to come to light. Scientist have speculated that Earths history and development may have been more violent than we first thought. If you can, go by means of a large chunk of rock hurtling through lieu heading toward Earth on a collision raceway and watching it come through the atmosphere. You are genius clapperclaw closer to understanding the extinction of the dinosaurs. In outer space, there are billions of meteors and comets, with the majority of them existing in the main brawl between Mars and Jupiter. These chunks of rock are hurtling their way through space, and about every ten-billion years, one very large one hits the Earth. Such a doomsday asteroid could severely chip life on Earth, not only for humanity, but for the some other species of plants, fish, birds, and animals.
Since we have known that dinosaurs once roamed this planet, we have asked where they went and why they on the spur of the moment passed away. Scientists have come up with the hypothesis that dinosaurs were killed by the repercussions of a massive meteors hitting the planet.



Jon Erickson supports this idea in his book 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 amount of weigh hitting the earth at three times the upper berth of sound produced a plum cloud that enshrouded the planet with spit. This dust didnt allow any(prenominal) sunlight to reach the surface of Earth. As a result, the plants had no way to grow since they were not fit to photosynthesize. This produced a reaction that dismantled the food chain of the planet. The herbivores, without any plants to eat, died off. Then the carnivores died without the meat of the herbivores to support them. The...If you want to get a full essay, order it on our website: Orderessay



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