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Recap of Earth-Moon Comparison

This recap highlights the key differences between Earth and the Moon, including their size, atmosphere, surface temperature, geological activity, and phases of the Moon. Learn more about Earth and its moon with this informative summary. 8

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Recap of Earth-Moon Comparison

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  1. Recap of Earth-Moon Comparison

  2. Earth Moon 6400 kilometer radius 23 degree axis tilt (seasons!) Surface temps –73 to 48 C (-100 to 120F) Thick atmosphere, mild greenhouse effect Liquid water – lots! - at surface 1738 kilometer radius 7 degree axis tilt Surface temps - 107 C to –153 C (224 F to –243 F) No atmosphere No liquid water

  3. Earth Moon NO active volcanoes Few moonquakes NO mountain chains NO active magnetic field Buckets of craters Geologically Inactive! Active volcanoes - chains Earthquakes - chains Mountain chains Active magnetic field Few craters Geologically Active!

  4. Phases of the Moon!

  5. Revolve Orbit Rotate Axis Earth-Moon Vocabulary

  6. Moon Vocabulary • Waxing- To show a progressively larger illuminated area from new moon to full moon. Lighted side is getting BIGGER and on the RIGHT! • Waning- To show a progressively smaller illuminated area from full moon to new moon. Lighted side is getting SMALLER and on the LEFT! • Gibbous- More than half but less than fully illuminated. Means “hump”. • Crescent- The figure of the moon as it appears in its first or last quarter, with concave and convex edges terminating in points. Means “curved”.

  7. Eclipse- Occurs when one object passes through the shadow of another. Means “outshine or surpass”. • Lunar Eclipse-The full moon passes through Earth’s shadow and appears eclipsed, or shaded. It may also look red. A total Lunar Eclipse lasts more than 2 hours. The Earth is between the Moon and the Sun. • Solar Eclipse-Earth passes through the shadow of the moon, and the sun appears hidden behind the moon. A total Solar Eclipse lasts no more than 7.5 minutes. The moon is between the Earth and the Sun.

  8. Eclipses • Only 7 eclipses occur in a single year. • 2 Lunar • 5 Solar

  9. November 1, 2004Waning Gibbous

  10. November 2, 2004 Waning Gibbous

  11. November 3, 2004 Waning Gibbous

  12. November 4, 2004Third or Last Quarter

  13. November 5, 2004 Third or Last Quarter

  14. November 6, 2004Waning Crescent

  15. November 7, 2004 Waning Crescent

  16. November 8, 2004 Waning Crescent

  17. November 9, 2004 Waning Crescent

  18. November 10, 2004 Waning Crescent

  19. November 11, 2004 Waning Crescent

  20. November 12, 2004New Moon

  21. November 13, 2004 Waxing Crescent

  22. November 14, 2004 Waxing Crescent

  23. November 15, 2004 Waxing Crescent

  24. November 16, 2004 Waxing Crescent

  25. November 17, 2004 Waxing Crescent

  26. November 18, 2004First Quarter

  27. November 19, 2004Waxing Gibbous

  28. November 20, 2004 Waxing Gibbous

  29. November 21, 2004 Waxing Gibbous

  30. November 22, 2004 Waxing Gibbous

  31. November 23, 2004 Waxing Gibbous

  32. November 24, 2004 Waxing Gibbous

  33. November 25, 2004 Waxing Gibbous

  34. November 26, 2004 Waxing Gibbous

  35. November 27, 2004Full Moon

  36. November 28, 2004 Waning Gibbous

  37. November 29, 2004 Waning Gibbous

  38. November 30, 2004 Waning Gibbous

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