evidence of an asteroid impact. Shocked quartz has been found that looked to have patterning that was caused by immense force some scientists suspect could only have been caused by an asteroid or comet impact (PBS). Scientists also found tektites which according to SciShow are “big tear-dropped shaped pieces of glass that form when rocks are thrown into the atmosphere by an impact and then melt on re-entry.” Then Dr. Alan Hildebrand also deduced‚ using other evidence that the asteroid hit near the
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Mercury experiences extreme temperatures‚ as the days and nights are so long. Jupiter‚ Saturn‚ Neptune‚ and Uranus have no solid surface i.e. they have a gaseous surface. Pluto is very far away. Comets and asteroids have too little gravity for a surface colony‚ although some have suggested that an asteroid could be hollowed out. This is
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The small ones are mostly captured asteroids‚ I think‚ while many of the larger ones (e.g. Ganymede) are thought to have formed in orbit around their respective planets. How are comets different from asteroids? The main difference between an asteroid and a comet is what they are made of. Of what are comets made? And asteroids? A comet usually consists of water and other sediments and gasses. Asteroids are usually made of rock and/or other metals. Asteroids that enter the earth’s atmosphere are
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Chapter 1 1.1 Earth Science & the Earth System -Earth science is the study of Earth and the processes that shape it -The earth system is composed of four principal components: atmosphere (air‚ weather)‚ hydrosphere (water‚ ice)‚ biosphere (plants‚ animals)‚ and geosphere (land‚ rocks). - Earth science can be broadly defined as the investigation of interactions among the four parts of the earth system. - The second largest earthquake ever recorded buckled the seafloor west of Sumatra‚ Indonesia
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Lori Mares 03/07/13 Exploration in Space Space exploration has been around for a long time ever since the first rocket went into space. That was the work of the Germans after world war II. The competition to be the first in space began in 1945 and would last 30 years. The Space Race pitted the United States and Soviet Union against each other in a contest that extended from the Earth to the surface of the moon and beyond. Humans have dreamt of exploring space for a very long time. Centuries
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Sun accounts for 99.85 per cent of mass of the solar system. About 1.3 billion earths would fit inside the sun. The solar system consists of the Sun; the nine planets‚ 67 satellites of the planets and a large number of small bodies (comets and asteroids). The inner solar system contains the Sun‚ Mercury‚ Venus‚ Earth and Mars. The planets of the outer solar system are Jupiter‚ Saturn‚ Uranus and Neptune. Mercury – Mercury is named after the messenger of the Roman gods. It is the smallest of the
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Two worlds in the Little Prince -------Loneliness in human nature and contradiction in life Two worlds in the Little Prince -------Loneliness in human nature and contradiction in life [Abstract]: The essay divides the journey of the little prince into two worlds: adults’ world and children’s world. Then it analyzes the loneliness in human nature and the contradiction in life presented by the characters that the little prince meets. At last‚ the essay stresses the original
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end of the Mesozoic Era‚ and it marks the beginning of the Cenozoic era. This was a large scaled mass extinction event. It may have been caused by one or more catastrophes. On March 4‚ 2010‚ a panel of 41 scientists agreed that the Chicxulub asteroid triggered the mass extinction. Although‚ several impact craters such as in the Deccan Traps may have caused it. With such a catastrophic The Chicxulub Crater in Mexico event as this‚ evolution is sure to occur because of it. Charles Darwin’s
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are excluded) and it must be massive enough to have collapsed to a more or less spherical shape (which excludes comets‚ and most of the asteroids). These criteria would admit a few of the larger asteroids and probably some of the Kuiper belt objects as well‚ but adding a requirement for a planet to have a minimum diameter of 1‚000 km would remove the larger asteroids from contention while retaining Pluto. Below are some brief reasons as to why Pluto may not be considered a planet with my rebuttal.
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that a big asteroid hit and caused super heating from the collision and kinetic energy‚ enhanced solar flares roasting the crust of the moon‚ radioactive elements on the crust of the moon‚ and heat from the earth formed from fission.
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