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Pauline Gagnon Physicist and communicator at CERN The dark side of the Universe
Shrimp Nebula© VLT, European Space Observatory Convince you all of the existence of dark matter Review how one can catch dark matter Plan
©2000, 2001 B Katzung, Andromeda galaxy
4 Universe content
© NASA, Orion nebula Dark energy: Discovered in 1998 while studying the relative speeds of galaxies The Universe expansion is accelerating A completely unknown type of energy must be causing this expansion Physics Nobel Prize in 2011 went to Saul Perlmutter, Brian Schmidt and Adam Riess
8 Universe content
What is generating the gravitational pull needed to maintain these galaxies together?
12 Dark matter provides the gravitational force needed to maintain these galaxies together
Mais comment mesure-t-on la composition de lUnivers?
1 second Protons and neutrons form years Atoms form 1 billion years Stars and galaxies form 13.7 billion years 2.7 degrees degrees The Big Bang
Stars and Dust Across Corona Australis © Ignacio Diaz Bobillo Rayonnement fossile The Universe became transparent years after the Big Bang The photons present then are still moving around freely But the Universe expanded and they cooled down We still observe them today in the form of microwave background at degrees Kelvin
Cosmological microwave background
Width and temperature of each lump ( or angular spectrum measured by Planck) Angular width of all structures observed in the Universe Temparature fluctuations in (μ K)
Big Bang Standard Model Λ-CDM model: a model with 6 free parameters including Ω d : dark matter density Ω Λ : dark energy density
How did the Universe evolve from an immense fog of free particles… …to an Universe filled with stars and galaxies?
Chapter 18: Chapter 18: Cosmology. WHAT DO YOU THINK? What does the Universe include? Did the Universe have a beginning? Is the Universe expanding, fixed.
What is the Universe? How old is it? How big is it? What is it made of? What laws of nature govern it? What was happening to it in the past? What will.
Cosmology Dr Katy Lancaster. Overview The Big Bang –Formation of the Universe –The Cosmic Microwave Background –The COBE experiment The Expanding Universe.
Cosmology GREAT WEB RESOURCE: Contains a cosmological calculator.
CERN, 31 January, 2001 Egil Lillestøl, CERN & Univ. of Bergen This lecture is being recorded and will be viewable on the Web from Friday 2 nd February.
© 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching their.
Big Bang to Earth's Formation Concept Map By Hari Vellaipandian.
Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Table of Contents Section 1 Stars Section 2 The Life Cycle of Stars.
Cosmology from the Cosmic Microwave Background Katy Lancaster.
Objectives Determine the size and shape of the Milky Way, as well as Earths location within it. The Milky Way Galaxy Describe how the Milky Way formed.
Notes 30.4 The Big Bang Theory Std 2g: How the red-shift provide evidence for the “big bang” model that suggests that the universe has been expanding for.
One purpose of a liberal arts education is to make your head a more interesting place to live inside of for the rest of your life. President McPherson,
Cosmology from the Cosmic Microwave Background Katy Lancaster Astrophysics Group.
F Don Lincoln, Fermilab f When the Universe Was Young and Hot Don Lincoln Fermilab f.
Dr Martin Hendry University of Glasgow. Dark Energy Cold Dark Matter Atoms State of the Universe – Nov 2003.
The Big Bang Theory: Origin & Evolution of the Universe.
Anisotropies in the CMB Current Topics 2010 Katy Lancaster
FORMATION OF THE UNIVERSE CHAPTER 15 – 4 Part 1. THE BIG BANG THEORY To understand how the universe was formed, scientists study the movement of the galaxies.
Cosmology from the Cosmic Microwave Background Katy Lancaster 08/02/08.
Cosmic Voyage Fill in the details from the video that correspond with the Main Ideas. Main IdeaSupporting Details.
THE BIG BANG HOW CLOSE CAN WE COME? Michael Dine May, 2003.
Who Am I? What do I do? ASTROPHYSICS: That branch of astronomy which treats of the physical or chemical properties of the celestial bodies.
The CMB and the SZ Effect Current Topics 2008 Dr. Katy Lancaster.
Big Bang Theory Trevor Knauf Leeon Xie Tyler Walker Mikayla Catani
ITB How did it all come to be?. The Science Version as interpreted by the DOE Science and Religion –The explanations being offered are the science ones.
The Big Bang Theory. Before the Big Bang There was nothing: space, time, matter, & energy didnt exist.
Is There Life in Space?. How do scientists study the solar system? Telescopes Telescopes Radiowaves Radiowaves Infrared Infrared Visible Visible X-rays.
Science starts with curiosity...something that is born in all of us The starting point is to find patterns in the natural world.
Light year is: Distance that light travels in a vacuum in one year, about 9.5 trillion km - which is used to record distances between stars and galaxies.
What gives matter mass?. Mass is a measure of how much matter there is in an object Matter is made of fundamental particles which have a range of very.
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