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Astronomy and Cosmology week 1 - ThursdayPowerPoint Presentation

Astronomy and Cosmology week 1 - Thursday

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Astronomy and Cosmology week 1 - Thursday

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- 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

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

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

- 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

Altitude from horizonDeclination from equator (latitude)

Azimuth from NorthRA from VE (longitude)