What we know… o10 26 m universe o10 24 m cluster of galaxies o10 22 m milky way o10 14 m solar system/star o10 7 m earth o10 0 m human beings o10 -2 m.

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Presentation transcript:

What we know… o10 26 m universe o10 24 m cluster of galaxies o10 22 m milky way o10 14 m solar system/star o10 7 m earth o10 0 m human beings o10 -2 m insects o10 -5 m cells o10 -8 m DNA o m atom o m nucleus o m nucleons o m quarks/gluons

10 26 m: the universe The dots are the brightest galaxies

10 24 m: cluster of galaxies ~ light years away

10 22 m: our milky way Our milky way is a spiral galaxy

10 14 m: The solar system/star The orbits of the nearby planets

10 8 m: earth

10 0 m: humans Marie Curie

10 -2 m insects

10 -5 m: a lymphocyte (cell for immune system) Scale of cellular biology

10 -8 m: DNA A double helix structure

m: atom Field Emission Scanning Microscope image of Platinum surface

m: The nucleus 12 C (6 protons and 6 neutrons)

m: nucleons & the particle zoo cosmic rays

m: quarks and gluons The smallest known building blocks flavorUpDownStrangeCharmBottomTop charge+2/3-1/3 +2/3-1/3+2/3 mass (GeV)

nuclear physics

particle physics

long island quark-gluon physics

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