PPT-How do we study the Universe?

SPECTROSCOPY Uses visible wavelength split into colors Doppler shift Wavelengths change when object is moving Red Blue Shift RECEDING moving away objects show a INCREASE in WAVELENGTH red shift. 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. Lecture . 10; . May . 14 2013. Previously… on astro-2. If the universe is homogenous and isotropic and correctly described by General Relativity:. At any given time the universe is a 3D space. It could be open/close/flat. Slide 1 – Introduction.  . Presentation title:. Acceleration of Dominant Supermassive Black Hole Singularities Serving as the Catalyst of Dark Energy in the Formation of Universes. This is one of several means by which a universe could form from a gravitationally bound galaxy cluster.. 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, . Finely-Tuned . for Life?. Allen . Hainline. Ratio Christi Philippines. www.OriginsDiscussion.info. omega_sw@yahoo.com. June 2, 2015. Does God Exist?. 2. Outline. More evidence. Objections to the argument from fine-tuning to design and God. It was apparently much flatter in the past:. Inflation!. For definiteness, pick . g. eff. =200 and . k. B. T. = 3. . 10. 15. . GeV. You should memorize this value to about 54 digits or so. How did it happen to be so close to 1?. 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.. Hubble Expansion and the Big Bang . The fact that more distant galaxies. have higher . redshifts. . indicates that the universe is expanding. This implies that the universe was born in a huge explosion, or . 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 the sum of all energy, matter, space and time.. But there. ’. s a difference between the universe we see (the observable universe) . and the universe as it really exists.. This gets complicated….. Tu. /. Th. . 12:30-1:45, . Room 221. by Inseok Song. Lecture #1. I am an . exo. -planet hunter!. 1. st. Imaged . Exo-palnetary. system !. … trying to understand the origin of planetary systems. In Pleiades, . 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.