Astronomy and cosmology week 1 thursday
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Astronomy and Cosmology week 1 - Thursday PowerPoint PPT Presentation


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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

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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

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

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


Constellations help orient us


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


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


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


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


Sky changes through the epochs, due to precession


Celestial sphere

Altitude from horizonDeclination from equator (latitude)

Azimuth from NorthRA from VE (longitude)


Equinoxes and solstices


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