Hubble Space T elescope image of a cluster of galaxies Some appear as they did 12 billion years ago Image courtesy of NASAESA STScI THE FIRST FEW SECONDS Fundamental Particles down quark ID: 1039021
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1. BUILD YOUR OWN UNIVERSE
2. SESSION INTRODUCTIONHubble Space Telescope image of a cluster of galaxies. Some appear as they did 12 billion years ago.Image courtesy of NASA/ESA/STScI.
3. THE FIRST FEW SECONDSFundamental Particlesdown quarkelectronup quarkphotonpositronneutrinofound in threes, make up the matter around uscarry electric charge in circuitsparticle of lightantimatter partner of the electroninteract very little with normal matterT = >100,000,000,000oC
4. THE FIRST FEW SECONDST = 3,000,000,000oCdown quarkdown quarkdown quarkup quarkup quarkup quarkprotonneutron
5. THE FIRST TWO ELEMENTSH11.01He24.0026…to make helium-4 + two extra protonsadd another helium-3……to make helium -3add a proton to the new neutron……to make deuteriumproton becomes a neutron: beta decayadd another proton…
6. THE BIRTH OF NEUTRAL ATOMScharge = -1charge = +1overall charge = 0overall charge = 0Cosmic background radiation imaged by the Planck satellite. Image courtesy of ESA/NASA
7. TIME = 100 MILLION YEARSElements heavier than helium are made by fusion in the heart of stars. Image courtesy of ESA.
8. THE END