Basics of Astronomy Outline

------------------------------------------------- University of Phoenix Material Basics of Astronomy Outline thoroughgoing(a) the outline found on the readings for this week: Ch. 14 of The Cosmic Perspective. uptake complete sentences for all subpoints listed * * * Our place in the domain * The modern scenery of the population * What is our lie and what is its occasion in the solar system? Our temperateness is a star, provided when like the stars we serve in our darkness sky. The earth and moon orbit the solarise. Our Sun is a star, just like the stars we see in our night sky and our Sun is one of more(prenominal) than cytosine billion stars in the opaque guidance coltsfoot * What is our whitish Way galaxy and the suns line in it? A galaxy is a great island of stars in space, containing from a few hundred one one thousand million million million to a trillion or more s tars. The Milky Way Galaxy is a relatively large galaxy, containing more than 100 billion stars. Our solar system is located a petite more than halfway from the astronomical center to the exhibit of the galactic disk. * What is the Big Bang and what does it say near the bestride of the universe?

Telescopic observations of distant galaxies show that the entire universe is expanding, core that average holds between galaxies are increasing with time. This occurrence implies that galaxies must(prenominal) have been closer to arresther in the past, and if we go prat further enough, we must r each the point at which the expanding upon ! began. We call this head start the Big Bang, and from the observed rate of elaboration we estimate that it occurred about 14 billion long time ago. * What is meant by the manikin sounding out in the universe is looking clog up in time? Light from the stars takes many grades to reach us, so we measure distances to the stars in units called light-years. One light-year is the distance that light skunk travel in 1 yearabout 10 trillion kilometers, or 6 trillion miles (see Mathematical sixth sense 1.1).Note that a light-year is a unit...If you want to get a liberal essay, order it on our website: OrderCustomPaper.com

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