'Expansion rate' presentation slideshows

TWO DIVINE REVELATIONS

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Cosmology and the Early Universe Ch 26, 27.1, 27.4 - 27.6

Cosmology and the Early Universe Ch 26, 27.1, 27.4 - 27.6. What is the largest kind of structure in the universe? The ~100-Mpc filaments, sheets and voids? On larger scales, things look more uniform. Given no evidence of further structure, assume:. The Cosmological Principle.

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Thermodynamics in the early universe

Thermodynamics in the early universe. In equilibrium, distribution functions have the form . When m ~ T particles disappear because of Boltzmann supression. Decoupled particles: If particles are decoupled from other species their comoving number

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Science of the Dark Energy Survey

Science of the Dark Energy Survey. Josh Frieman Fermilab and the University of Chicago Astronomy 41100 Lecture 2, Oct. 15, 2010. DES Collaboration Meeting. Go to: http://astro.fnal.gov/desfall2010/Home.html Science Working group meetings on Tuesday. Plenary sessions Wed-Fri.

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Cosmology from the Cosmic Microwave Background

Cosmology from the Cosmic Microwave Background. Katy Lancaster Astrophysics Group. Who am I?. Postdoc in the Physics department working with Professor Mark Birkinshaw Previously: PhD at the Cavendish Laboratory, Cambridge, working on similar topics MSci at Bristol 1995-1999!.

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Spectrum Synthesis and Supernovae

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How long since the Big Bang ?

How long since the Big Bang ?. Jeremy Mould. National Optical Astronomy Observatory. Introduction. Subject today is the Expanding Universe The Expanding Universe model describes the motions of galaxies Just like the model of Copernicus describes the motions of the planets. Outline.

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Progress on Cosmology

617 views • 38 slides

Program

Program. The standard cosmological model The observed universe Inflation. Neutrinos in cosmology. The flatness problem (I). Rewrite Friedmann eq. as. Spatial flatness. The flatness problem (II). unstable. How our universe can be so flat today ?. The horizon problem. t_0. t_LS.

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The Geometry of Sea Shells

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Gravitational waves and cosmology

758 views • 29 slides

Baryogenesis and Higgs Phenomenology

M.J. Ramsey-Musolf Wisconsin-Madison. Baryogenesis and Higgs Phenomenology. Higgs Phenomenology. Baryogenesis. V. Cirigliano LANL C. Lee LBL S. Tulin Caltech S. Profumo UC Santa Cruz G. Shaugnessy Wisconsin. V. Barger Wisconsin P. Langacker IAS M. McCaskey Wisconsin

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Today in Astronomy 102: the age, and fate, of the Universe

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The Expanding Universe

The Expanding Universe. Discovery of Expansion. 1929 : Edwin Hubble measured the distances to 25 galaxies: Compared distances and recession velocities Calculated recession velocity by assuming the redshift of spectral lines is due to the Doppler Effect Discovered :

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Noise Characterization of the SIDECAR ASIC Readout Chip for SNAP

Noise Characterization of the SIDECAR ASIC Readout Chip for SNAP. Martin Diaz Stanford Linear Accelerator Center August 14, 2008. Our Expanding Universe. The expansion history of the universe can be mapped out What is causing it to accelerate?. Dark Energy.

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Temperature and thermometer

Temperature and thermometer. Temperature. A basic physical quantity Measure the degree of hotness of a body Measure by an instrument called thermometer. Common Temperature Scale. 2 common types Celsius scale ( o C) Fahrenheit scale ( o F) Relationship F = 1.8 C + 32 Example

2.77k views • 21 slides

Comparing Cancer Risks between Radiation and Dioxin Exposure Based on Two-Stage Model Tsuyoshi Nakamura Faculty of Envir

Comparing Cancer Risks between Radiation and Dioxin Exposure Based on Two-Stage Model Tsuyoshi Nakamura Faculty of Environmental Studies, Nagasaki University David G. Hoel Dept. of Biometry and Epidemiology, Medical University of South Carolina 1. Two-Stage Model

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Universal Approximations for TSP, Steiner Tree, and Set Cover

Universal Approximations for TSP, Steiner Tree, and Set Cover. Authors: Lujun Jia, Guolong Lin, Guevara Noubir, Rajmohan Rajaraman, Ravi Sundaram Presented by Songjian Lu. contents. Introduction Definition of UTSP,UST,USC Detail of UTSP Other result. Introduction.

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Case Study

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Implications of the Uniform Expanding Universe

Implications of the Uniform Expanding Universe. Run time backwards ? all the matter has to be together at the same place and at the same time. Universal Expansion. V r = H o D. Time = D/V. The Ant Universe.

218 views • 12 slides