Astronomy and Cosmology week 1 - Thursday - PowerPoint PPT Presentation

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Astronomy and Cosmology week 1 - Thursday

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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 ... – PowerPoint PPT presentation

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Title: Astronomy and Cosmology week 1 - Thursday


1
Astronomy and 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 Earths rotation
  • Through the year, due to Earths orbit
  • Through the seasons, due to Earths 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 Earths rotation
  • Through the year, due to Earths orbit
  • Through the seasons, due to Earths tilt
  • Through the epochs, due to precession

6
Sky changes through the day, due to Earths
rotation
7
Sky changes through the year, due to Earths orbit
8
Sky changes through the seasons, due to Earths
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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