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NS1300 – Emergence of Modern Science

NS1300 – Emergence of Modern Science . Stars, Planets and Our Solar System. What’s in earth’s neighborhood?. Will the sun eventually explode? Why isn’t Pluto a planet? Will an asteroid ever collide with the earth? Will we ever be able to go to another planet?. The Stars. Astronomy

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NS1300 – Emergence of Modern Science

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  1. NS1300 – Emergence of Modern Science Stars, Planets and Our Solar System

  2. What’s in earth’s neighborhood? • Will the sun eventually explode? • Why isn’t Pluto a planet? • Will an asteroid ever collide with the earth? • Will we ever be able to go to another planet?

  3. The Stars • Astronomy • Telescopes • Observatories • Satellites • International Space Station

  4. What’s Up There Right Now? • Commercial • Communication • Navigation • Weather • Defense • NASA • EOS • Hubble • Chandra • Cassini-Huygens • Landsat • Cloudsat • Pioneer • Voyager • and many more

  5. Astronomical Distance • Light-Year • Cepheid Variable Stars • Hertzprung-Russel Diagram • Main Sequence Stars • Red Giants • White Dwarfs

  6. Anatomy of a Star • Stellar Core • Convection Zone • Photosphere • Chromosphere (Corona) • Solar Wind

  7. The Sun’s Energy • Fusion • Solar Neutrino Problem • Electromagnetic Spectrum

  8. Life Cycle of a Star • Birth • Nebulae • Death • Less massive than the sun • Same mass as the sun • More massive than the sun • Supernova

  9. Aftermath • Neutron Stars • Pulsars • Black Holes

  10. The Solar System • Formation of the Solar System • Clue #1: Planetary Orbits • Clue #2: Distribution of Mass • Nebular Hypothesis

  11. Formation of the Earth • Great Bombardment • Differentiation • Formation of the Moon

  12. Evolution of the Atmoshpere • Hadean • Archean • Proterozoic • Phanerozoic

  13. Inner Solar System • Mercury • Venus • Earth • Mars

  14. The Comparative Paleoclimatology of the Terrestrial Planets • The Goldilocks Hypothesis This one is too cold This one is too small This one is too dry This one is too hot This one is too big This one is too dry, too This one is JUST RIGHT!

  15. Asteroids Are we in danger?

  16. Outer Planets • Jupiter • Saturn • Uranus • Neptune

  17. Significant Moons and Rings of Outer Planets • Io • Europa • Titan • Rings

  18. Pluto and the Kuiper Belt • Is Pluto a planet? • Kuiper Belt objects • Meteors and meteorites • Oort Cloud • Comets

  19. Extrasolar Planets • Extrasolar planets • How do we find them? • How do they form?

  20. Quiz • 1. T or F, our sun is a dwarf star. • 2. T or F, the core of Jupiter could be solid diamond. • 3. T or F, comets are made of ice and dust. • 4. T or F, Pluto is not always the farthest planet from the sun. • 5. T or F, Europa has an ocean of methane.

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