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The UW Observational Cosmology Laboratory A Brief Tour
Our Focus The Cosmic Microwave Background (as viewed by WMAP)
What is the CMB? …A remnant from the BIG BANG
Discovery of the CMB Robert Wilson and Arno Penzias, 1964
The CMB and the Early Universe The CMB provides clues as how the Universe expanded, or inflated to its current size
The CMB and the Early Universe The CMB also provides clues about the composition of the universe…
Evolution of the Universe
The CMB and Last Scattering
Looking Back in Time
The Structure of the Universe Early perturbations in the density of matter later give rise to the formation of galaxies…
CMB Temperature Fluctuations
The CMB in 3-D
CMB Detection Ground-Based Experiments Wilson & Penzias COMPASS http://cmb.physics.wisc.edu/compass.html POLAR http://cmb.physics.wisc.edu/polar/ Balloons MSAM/TopHat http://topweb.gsfc.nasa.gov/ Satellites COBE http://lambda.gsfc.nasa.gov/product/ WMAP http://map.gsfc.nasa.gov/m_mm/ms_status.html
CMB Detection: Ground-Based
Improved Data Acquisition CMB ~ 1965 COBE ~ 1990 WMAP 2001
CMB Detection: Balloons
CMB Detection:Satellites COBE WMAP
CMB Detection Evolution
WMAP Over Many Frequencies K-Band
WMAP Over Many Frequencies Ka-Band
WMAP Over Many Frequencies Q-Band
WMAP Over Many Frequencies V-Band
WMAP Over Many Frequencies W-Band 75-110 GHz CMB peaks in this band
Wisconsin Experiments Missions: Compass POLAR MBI MBI Instrumentation Beam Mapping Device Design Mount & Pointing Structure Phase Shifters SQUIDS
MBI Beam Mapping
MBI Mount and Pointing Structure
MBI Phase Shifters
UW ObsCos Today
Our Fearless Leader Professor Peter Timbie
Cosmology How did our universe form?. The study of the universe – its nature, origin and its evolution.
THE BIG BANG THEORY. HOW IT ALL BEGAN Scientists hypothesize that approximately 13.7 billion years ago, a rapid expansion created the universe, producing.
Einstein Polarization Interferometer for Cosmology (EPIC) Peter Timbie University of Wisconsin - Madison Beyond Einstein SLAC May
Evidence to Support the Theory
The theory of the universe. Expanding of our universe In the 1920s, astronomers had the technology to see more Celestial bodies with advance telescope.
Formation of the Universe. Taken from the Hubble Space Telescope
The Planck Satellite Matthew Trimble 10/1/12. Useful Physics Observing at a redshift = looking at light from a very distant object that was emitted a.
A Scientific History of the Universe. How do we predict the conditions of the early universe? What are the different eras in the early universe? What.
10.2 Big Bang Theory By Sunny and Austin The big bang theory By the end of section 10.1 you should be able to understand the following: How Edwin.
The Big Bang: Fact or Fiction? The Big Bang Fact or fiction? Dr Cormac O’Raifeartaigh.
The Evidence for the Big Bang Student Resource Sheet 5 Science and Religion in Schools: Unit 4a.
Physics 133: Extragalactic Astronomy and Cosmology Lecture 14; March
Cosmic Microwave Background Carlo Baccigalupi, SISSA CMB lectures at TRR33, see the complete program at darkuniverse.uni-hd.de/view/Main/WinterSchoolLecture5.
History of the Universe. If the universe was 1 year old...
X What is the shape of our universe? By Sandro Berndt.
MAPping the Universe ►Introduction: the birth of a new cosmology ►The cosmic microwave background ►Measuring the CMB ►Results from WMAP ►The future of.
ASTR Fall Semester Joel E. Tohline, Alumni Professor Office: 247 Nicholson Hall [Slides from Lecture23]
Prof Martin Hendry University of Glasgow. A long time ago, in a galaxy far, far away…
1 Dalit Engelhardt Boston University Summer 2006 REU Observational Cosmology Advisor: Prof. Peter Timbie University of Wisconsin-Madison.
Chapter 18: Chapter 18: Cosmology. WHAT DO YOU THINK? What does the universe encompass? Is the universe expanding, fixed in size, or contracting? Will.
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