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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
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
introduction to space and time
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
naked eye astronomy
Naked eye astronomy

What you see depends on where you are, in space, time and culture.

time sky changes starry night
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
celestial sphere
Celestial sphere

Altitude from horizon Declination from equator (latitude)

Azimuth from North RA from VE (longitude)

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