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Astronomy and Cosmology week 1 - Thursday

Astronomy and Cosmology week 1 - Thursday. Star Date Your surveys – results and discussion Your Web-X posts Your minilecture sign-ups… BREAK Introduction to space and time Workshop: Planispheres + Starry Night Workshop: Space and Time (go outside if clear)

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Astronomy and Cosmology week 1 - Thursday

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  1. Astronomyand Cosmologyweek 1 - Thursday • Star Date • Your surveys – results and discussion • Your Web-X posts • Your minilecture sign-ups… BREAK • Introduction to space and time • Workshop: Planispheres + Starry Night • Workshop: Space and Time (go outside if clear) • Tomorrow and next week

  2. Introduction to Space and Time Naked eye astronomy Constellations Time: Sky changes (Starry Night) • Through the day, due to Earth’s rotation • Through the year, due to Earth’s orbit • Through the seasons, due to Earth’s tilt • Through the epochs, due to precession Space • celestial sphere • Equinoxes, solstices

  3. Naked eye astronomy What you see depends on where you are, in space, time and culture.

  4. Constellations help orient us

  5. Time: Sky changes (Starry Night) • Through the day, due to Earth’s rotation • Through the year, due to Earth’s orbit • Through the seasons, due to Earth’s tilt • Through the epochs, due to precession

  6. Sky changes through the day, due to Earth’s rotation

  7. Sky changes through the year, due to Earth’s orbit

  8. Sky changes through the seasons, due to Earth’s tilt

  9. Sky changes through the epochs, due to precession

  10. Celestial sphere Altitude from horizon Declination from equator (latitude) Azimuth from North RA from VE (longitude)

  11. Equinoxes and solstices

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