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That other pesky 95% Dark Energy and Dark Matter

That other pesky 95% Dark Energy and Dark Matter. Prof. Lawrence Wiencke Department of Physics Engineering Colorado School of Mines Nov 9 2011. The Dark Side. 95% of the Universe Is Dark!. Energy budget of Universe. Stars and galaxies are only ~0.5% Neutrinos are <1%

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That other pesky 95% Dark Energy and Dark Matter

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  1. That other pesky 95%Dark Energy and Dark Matter Prof. Lawrence Wiencke Department of Physics Engineering Colorado School of Mines Nov 9 2011

  2. The Dark Side 95% of the Universe Is Dark!

  3. Energy budget of Universe • Stars and galaxies are only ~0.5% • Neutrinos are <1% • Rest of ordinary matter (electrons and protons) are ~5% • Dark Matter ~25% • Dark Energy ~70% • Anti-Matter 0%

  4. No Dark Matter No Dark Energy THE HIGGS!?#

  5. Spitzer Space Telescope M81

  6. Observed 100 Rotation speed Expected if the mass of the galaxy = the mass we can see 50 5 10 Distance from the center Some sort of invisible Mass must extend out ~10 times further than the stars! Vera Rubin 1980s

  7. Full Court Press!! Produce at an accelerator Detect them in our halo Detect annihilation products

  8. Dark Matter annihilating in our halo should produce positrons, neutrinos and gamma rays

  9. Evidence for Dark Matter from Lensing Einstein: Gravity bends light Light travels along straight lines unless it passes a massive object. Light coming from behind a massive object such as a star, a galaxy, a cluster of galaxies or a clump of dark matter will be bent the same way a glass lens works. The more massive the object, the more gravity it has and the more the light is bent

  10. Zoom in on a galaxy cluster – Gravity from the invisible matter is bending light and we can see the distorted images that result giant arcs are galaxies behind the cluster, gravitationally lensed

  11. Discovery of Cosmic Microwave Background, 1964 Michael S Turner

  12. The Universe circa 380,000 yrsWMAP ±0.001% Fluctuations Michael S Turner

  13. DARK MATTER from the Primordial Soup fraction of a second later Hot Primordial Soup 380,000 years later Radiation Last Scattered 13.78 thousand-million years later Today

  14. Tip of the Iceberg Most of the matter is dark and it’s not even “normal” stuff!

  15. Go to 11??? STRING THEORY - 11 dimensions and more …..

  16. What is Dark Energy ? “ ‘Most embarrassing observation in physics’ – that’s the only quick thing I can say about dark energy that’s also true.” Edward Witten

  17. Hi z Supernova Team Supernova Cosmology Project Discovery! – 1998 Nobel Prize in Physics 2011 Brian P. Schmidt Adam G. Riess Saul Perlmutter

  18. 1. Create a White Dwarf A dying star becomes a white dwarf.

  19. 2. Dump more mass onto it The white dwarf strips gas from its stellar companion….

  20. 3. Until it explodes ….and uses it to become a hydrogen bomb. Bang!

  21. 4. Observe it in a distant galaxy The explosion is as bright as an entire galaxy of stars…. …..and can be seen in galaxies across the universe.

  22. The Sloan Digital Sky Survey (SDSS) is a telescope Fermilab helped build and operate. • It has a 2.4m mirror and no Dome • Located in New Mexico • First started collecting images in 2000 • 120 MegaPixel digital camera SDSS has measured ~ 1 million galaxies and over 500 type 1a Supernova and also found that the expansion of the universe is accelerating

  23. SDSS-II Supernova Survey ~500 Well studied SNeIa, suitable for framing

  24. Our Universe’s Expansion is Accelerating! accelerating open Now expansion closed time

  25. “The most beautiful thing we can experience is the mysterious. It is the source of all true art and all science. Those to whom this emotion is a stranger, who can no longer pause to wonder and stand rapt in awe, are as good as dead: their eyes are closed.” Albert Einstein

  26. 95% of the Universe Is Dark! What can we learn about it? Will!!

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