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GEOG 1410 Chapter Notes - Chapter 3: String Vibration, Wind Wave, Evaporation

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School
York University
Department
Geography
Course
GEOG 1410
Professor
Paul Delaney

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Document Summary

Implying an enormous number of worlds on which life might possibly have arisen and the time for it to evolve. The elements of life are widespread: carbon and long chain organic molecules (raw material) have been detected through the galaxy. Physical laws seem universal: the process that evolved life on earth could occur anywhere. Earth is a planet in our solar system. The local group is in the local supercluster. The earth is 1 a(stronomical) u(nit) from the sun, 150 million kilometers. A light year (ly) is the distance a photon of light will travel in a year. (10 trillion km) The seconds in a year: 60 x 60 x 24 x 365. 25. The speed of light: 300, 000 km per second. Thus the distance light would travel in a year is 60 x 60 x 24 x 365. 25 x 300, 000 or. 4. 3 light year to alpha centauri ( cen)

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Related Questions

Which of the following correctly lists our "cosmic address" fromsmall to large?

a.) Earth, solar system, Milky Way Galaxy, Local Group, LocalSupercluster, universe

b.) Earth, solar system, Local Group, Local Supercluster, Milky WayGalaxy, universe

c.) Earth, Milky Way Galaxy, solar system, Local Group, LocalSupercluster, universe

Which, if any, of the following statements is/are true?

1)Our galaxy, The Milky Way, is a member of The Local Group, whichis one of several groups of galaxies located in the VirgoSupercluster.
2)Most astrophysicists believe that our Solar System formed from animmense cloud of gas and dust about 4-1/2 million years ago.
3)Planets are believed to have formed by a process known asaccretion.
4)Two key elements in the Condensation Theory of PlanetaryFormation are 5)Conservation of Angular Momentum and CondensationNuclei.
6)The name of the second largest object in the Universe is TheSouthern Wall.
7)In our Solar System, the four jovian planets, Jupiter, Saturn,Uranus, and Neptune, are separated from the four terrestrialplanets, Mercury, Venus, Earth, and Mars, by the Kuiper Belt.
8)Our star, The Sun, is located on the Orion Arm, about 26,000light-years from the center of the Andromeda Galaxy.
9)It takes a photon of light about 4-1/5 years to travel from ourSolar System to the second closest star to Earth, ProximaCentauri.
10)The full range of human knowledge about our Universe spans about40 or 41 orders of magnitude on a spatial scale and about 13.7billion years on a temporal scale.
11)It takes a photon of light about 5-1/2 hours to travel from theSun to the orbit of the former planet Pluto.

it is estimated that the nearest star outside the solar system is 4.0×10^16m away. express this distance in light year, where one light year is the distance that light travels in one year. (take the speed of light to be 3.0×10^8 m s-1