Saturday, May 18, 2019
Magazine articles Essay
This paper summarizes two articles related to physics. One, written by Appell David, discussing the possibility of our planet Earth, world engulfed by insolate, eventually. Second, is a news item, on the largest Neutrino Telescopic being built at the south Pole. both articles have appea carmine in the magazine, Science Daily. In the first article, the writer claims that the scientific community believes that the solarize is expanding making itself more brighter. After billions of years, it would expand so much that it would engulf earth. To be precise, About 7. 6 billion years from now, the sun willr all(prenominal) its maximum size as a red giant its surface will extend beyond Earths orbit today by 20 percent and will shine 3,000 times brighter. In its final stage, the sun will snap into a white dwarf . ( David Appell) This theory was dis suitd on the basis that, as Sun expands, it will be loosing on its push-down stack, and due that the gravitation hurl will also be reduced. Hence, as the gravitation force reduces, Earth will be drifting away from Sun, and hence, whitethornbe able to escape the engulfment. However, recent calculations, establish on the perturbation theory, released by ItalysNational Institute of Nuclear Physics, by Lorenzo Lorio, tend to agree with this theory. The factor that tends credibility to his argument is not his number game, but his statement that as Sun loses mass and expands, its rotation must also slow down. This is known as angular momentum, in simple terms. out-of-pocket to this angular momentum, there will be a huge tidal bow on suns surface, and its gravitational pull will engulf Earth. Hence, all celestial bodies, within a duration of 1. 5 AU will be engulfed. This article throws a new light on our futuristic cosmic vision, using principle of physics,which quite old. Now, the concept of angular momentum, eject be used to submit the future of celestial bodies also. This was not the case so far. The second article i s a news report, on work being done University of Delaware, in the southward pole, regarding erection of worlds largest neutrino telescope. Neutrino, is one of the native constituents of matter, they have no charge and interact very weakly, so they can travel millions of miles through space. They can pass through planets also. The working principle of this telescope is radically different from the conventional ones.consists of kilometer-long strings of 60 optical detectors frozen more than a mile deep in the Antarctic ice identical beads on a necklace. Atop each string of deep detectors sits a pair of 600-gallon Ice-Top tanks, each containing two optical detectors. (Science news) The ice-top detectors measure the particles that are generated by the high-energy cosmic rays that are continuously being showered from the cosmos, towards earth. Whenever a flash of light is detected, the nearby laboratory receives the communication, and its genesis is traced. This genesis could be way a n exploding star topology or a the black hole.The learning derived from this news report is the drastic pace at which investigate methods are changing and being innovated upon. This new research method, of mounting a telescope beneath the ocean, may change the definition of telescope also, because, conventionally. , a telescope is a instrument on the surface of Earth, veneer the skies It also reminds us of the never ending human thirst for acquisition of knowledge, in all spheres, including the everyday space. To quench this thirst, he constantly keeps on deriving and experimenting with new means and methods.Renaissance, and the subsequent development of mercenary equipment systems, ahs changed the very way we live our lives References 1) Appell David, ( September 2008), The sun will eventually engulf Earth-maybe, retrieved on 11 December 2008 from http//www. sciam. com/article. cfm? id=the-sun-will-eventually-engulf-earth- maybe 2) Science news, ( 11 December 2008) Building worlds largest Neutrino Telescope at South Pole, Science Daily, retrieved on 12 December 2008 from http//www. sciencedaily. com/releases/2008/12/081209221746. htm
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