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Final Topics in Space Science

Final Topics in Space Science. SCI 2201 Solar and Lunar Eclipse & Reason for the Seasons. Meteor Showers. On most moonless nights, you’ll see 4 or 5 meteors per hour. Major annual meteor showers are named after constellations Perseids Jul 17-Aug24 Leonids Nov 14-21. Comets.

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Final Topics in Space Science

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  1. Final Topics in Space Science SCI 2201 Solar and Lunar Eclipse & Reason for the Seasons

  2. Meteor Showers • On most moonless nights, you’ll see 4 or 5 meteors per hour. • Major annual meteor showers are named after constellations • Perseids Jul 17-Aug24 • Leonids Nov 14-21

  3. Comets

  4. Comets – icy visitors from beyond the solar system • Dirty snowballs • Some are captured in a regular orbit about the Sun • Haley’s, Hale Bop • Kuiper belts • Just beyond Pluto • Oort cloud • 1000X beyond Pluto

  5. Moon Patterns • Moon moves east to the East with respect to the Sun by about one diameter per hour • Counterclockwise if viewed from above • Moon completes phase cycle in 29.5 days • Time of “moon rise” grows later each day • The Moon rotates and revolves in the same length of time, 27.3 days.

  6. Phases of the Moon link

  7. Eclipse • When either the Sun or the Moon crosses into the shadow cast by the other, an eclipse occurs.

  8. Umbra: Inner core of total darkness • Penumbra: Outer, partial shadow

  9. Lunar Eclipse • Moon passes through the shadow of the Earth.

  10. Types of Lunar Eclipses

  11. Solar Eclipse • Earth passes through the shadow of the Moon.

  12. Types of Solar Eclipses

  13. Baily’s Beads

  14. Diamond Ring

  15. Solar Corona

  16. Solar Prominences

  17. Reason for the Seasons

  18. Prime Meridian:Greenwich, England

  19. Celestial Sphere

  20. Angular Measurement

  21. Final Topics in Space Science SCI 2201 Solar and Lunar Eclipse & Reason for the Seasons UT Astronomy Course: Great link!!! Fred Espenak's Eclipse Home Page

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