'Accelerating universe' diaporamas de présentation

Formation of the Universe

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Announcements

Announcements. Cosmos Assignment 5, due Monday 4/26, Angel Quiz Monday, April 26 Quiz 3 & Review, chapters 16-23 Wednesday, April 28, Midterm 3: chapters 16-23 Links to power point slides are now on the course homepage

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The Accelerating Universe

The Accelerating Universe. Megan Donahue Michigan State University. The Accelerating Universe. What is the evidence that the Universe is not only expanding, but accelerating? What is dark energy? What does an accelerating Universe imply?. Edwin Hubble (1889-1953).

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The Standard Model of Elementary Particle Physics

The Standard Model of Elementary Particle Physics. by Farley V. Ferrante SMU QuarkNet 2009. The Particle Adventure. Humorous Interlude. The Standard Model of Cosmology. The Standard Model of Cosmology. The Universe Adventure. Big Bang Blues. Problems with Big Bang Model. WMAP.

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Ch. 22 Cosmology - Part 1

Ch. 22 Cosmology - Part 1. The Beginning. Beginnings. ???? - Newton suggested that for the stars not to have coalesced, the universe must be infinite and static.

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Status of the Supernova Legacy Survey (SNLS) Isobel Hook University of Oxford

Status of the Supernova Legacy Survey (SNLS) Isobel Hook University of Oxford. SNe Ia provide direct evidence for accelerating Universe Results inconsistent with W M =1 spatially flat cosmology (SNe too faint) SN data favor L >0. with 16 ACS-discovered SNe z<1.5 (Riess et al 2004).

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Unstable Klein-Gordon Modes in an Accelerating Universe

Unstable Klein-Gordon Modes in an Accelerating Universe. Unstable Klein-Gordon modes in an accelerating universe. Dark Energy -does not behave like particles or radiation Quantised unstable modes -no particle or radiation interpretation Accelerating universe

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Scales in Space and Time in the Cosmos

Scales in Space and Time in the Cosmos. By Dr. Harold Williams of Montgomery College Planetarium http://montgomerycollege.edu/Departments/planet/. The Scale of the Cosmos. Astronomy deals with objects on a vast range of size scales and time scales.

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Cosmology

Cosmology. part 2. Topics. Models of the Universe: Recap How Far is Far? The Accelerating Universe Summary. Models of the Universe. Alexander Friedman 1888 - 1925. Density parameters at present epoch W M = r M / r c Matter W L = r L / r c Dark energy W M = W N + W D

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Cosmology

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The Heat Death of the Universe

The Heat Death of the Universe. Briana Wilsey. The End of the Universe. There are two main theories regarding the end of the universe The Big Crunch Occurs for a closed, spherical universe Universe returns to a very dense state similar to the beginning of the universe The Heat Death.

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Lecture 40 Cosmology IV

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