PDF-6The Uncreated Universe

2is And we all live longer better lives because of this dispassionate view Sure ittwo such nuclei come into near contact Under these conditions matter exists in a stateplasma In a more familiar. Expanding Universe – consistent w/ a Big Bang?. Olber’s Paradox. Large Scale Structure and relation to Dark Matter. Evidence for the Big Bang. The Cosmic Microwave Background. The abundances of the elements. Homogeneous and uniform cosmic expansion . Hubble constant determines scale factor . Hubble diagram was based on a limited distance scale calibrated by Cepheid variable stars in relatively nearby galaxies. The Milky Way Galaxy. When you look into the hazy band of light across the sky, you are actually looking at our galaxy from the inside. While an awesome sight, you can only truly begin to see it if you get away from city lights on a moonless night. . . Anthony Lasenby. Astrophysics Group. Cavendish Laboratory. Cambridge, UK. a.n.lasenby@mrao.cam.ac.uk. www.mrao.cam.ac.uk/~clifford. Overview. Want to share two recent exciting developments. Recent progress in cosmology. Lecture 3; April . 11 2013. Previously.. On Astro-2. The universe is much larger than the Milky Way (Gpc vs kpc). There are billion of galaxies, the Milky Way is average Joe galaxy. Most galaxies can be classified based on their appearance as . Chapter 38. Reminders. Complete last Mallard. -based reading quiz before class on . Thursday (. Ch 39).. I will be sending out last weekly reflection and sample final . on Thursday. . Final exam Thursday, . Flat Earth Theory. Flat Earth Theory. Date: Ancient Times. Scientists: Babylonians, Egyptians. Theory Description: The world is a flat disk, not a sphere. Evidence: None. As early as the 4. th. century BC, scientists and philosophers, such as Aristotle, realized that the Earth was a sphere. Topic. Essential Question. How did the view of the universe change during the Scientific Revolution?. Essential Question. Who was Ptolemy and what did he believe about the universe?. Ancient Greco-Roman astrologer & astronomer. Lecture . 11; . May . 21 2013. Previously… on astro-2. In an expanding universe the relationship between redshift and distance depends on the cosmological parameters (i.e. the geometry and expansion of the universe). Why?. Four Lectures by Prof. James Bullock. UC Irvine Physics and Astronomy. Presented by Dennis Silverman. Prof. James . Bullock’s . Education and Honors. Recommended Books and Websites. Rare Earth. Lonely Planets: The Natural Philosophy of Alien Life. Atoms to Astronomy. 2. Special theory of Relativity. It is a basic property of Nature that:. Velocity of Light in vacuum is constant.. All inertial frames are identical so if two objects are moving with a constant velocity, it is impossible to do any test which allows to measure the velocities in absolute manner.. Ryan Broll. Overview. Always referring to “shape” at all times, because of special relativity.. Curvature vs. Topology. “Flat or curved” vs. “Open or closed”. FLRW model. Named after scientists. The universe is a big place, perhaps the biggest. . –Kurt Vonnegut. Cosmology. Cosmology is the study of the nature of the universe, how the universe began and how it will end, if it does. There is religious cosmology, and scientific cosmology. The universe is a big place, perhaps the biggest. . –Kurt Vonnegut. Cosmology. Cosmology is the study of the nature of the universe, how the universe began and how it will end, if it does. There is religious cosmology, and scientific cosmology.