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Ancient Astronomy

Planets Retrograde Prograde Heliocentric Geocentric. Ancient Astronomy. Sun/Moon/Earth Phases Eclipses Solar Lunar. Phases of the Moon. New Moon. Can’t be seen. Rises with the sun. Sets with the sun. Bright sky and glare prevent it from being seen. Conjunction. +. +.

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Ancient Astronomy

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  1. Planets Retrograde Prograde Heliocentric Geocentric Ancient Astronomy Sun/Moon/Earth Phases Eclipses Solar Lunar

  2. Phases of the Moon

  3. New Moon Can’t be seen. Rises with the sun. Sets with the sun. Bright sky and glare prevent it from being seen. Conjunction

  4. + + Conjunction

  5. Waxing Crescent The moon rises in the morning. It follows the sun through the day. People notice it as the sun sets.

  6. Waxing Crescent Follows the Sun Closely Rises in the Morning Sets in the Evening Up Most of the Day and Some of the Evening

  7. Waxing Crescent Follows Further Behind Wider Crescent Rises Later Sets Later Up Less Day More Night

  8. Waxing Crescent

  9. Waxing Crescent Limb Terminator

  10. Waxing Crescent

  11. First Quarter Looks Half Full Called 1st Quarter ¼ Cycle Complete Rises at Noon Sets at Midnight Up Half the Day and Half the Night

  12. Waxing Gibbous

  13. Waxing Gibbous More than Half Full Rises in the Afternoon Sets after Midnight Up Some of the Day but More of the Night

  14. Waxing Gibbous Wider Gibbous Farther from Sun Rises Later in the Afternoon Sets Later at Night Up Less Day More Night

  15. Waxing Gibbous

  16. Waxing Gibbous

  17. Waxing Gibbous

  18. Waxing Gibbous

  19. Full Moon Looks Full a Few Nights in a Row Only Full One Night Rises as the Sun Sets Sets as the Sun Rises Opposite the Sun Opposition

  20. + Opposition

  21. Waning Gibbous Less Full Still More than Half Rises in the Evening Sets in the Morning Moon Ahead of Sun Up Mostly at Night but Some of the Day Too

  22. Waning Gibbous Less Full Rises Later Less Night More Day Closer to Sun

  23. Waning Gibbous

  24. Waning Gibbous

  25. Waning Gibbous

  26. 3rd Quarter Looks Half Full Called 3rd Quarter ¾ Cycle Complete Rises at Midnight Sets at Noon Up Half the Night and Half the Day

  27. Waning Crescent Less than Half Rises After Midnight Sets in the Afternoon Up Some of the Night but Mostly Day

  28. Waning Crescent Thinner Crescent Rises Later Sets Later Up Less Night and More Day

  29. Waning Crescent

  30. Waning Crescent

  31. Waning Crescent

  32. Waning Crescent

  33. Waning Crescent

  34. Data FirstNow a Model Moon Receives Light from Sun Just Like Earth

  35. Data FirstNow a Model Moon is a Sphere

  36. Sun Illuminates Earth and Moon Sun Moon Orbits Earth

  37. Sun Illuminates Earth and Moon Sun Moon Orbits Earth can’t see conjunction new moon

  38. Sun Illuminates Earth and Moon Sun Moon Orbits Earth crescent

  39. Sun Illuminates Earth and Moon Sun Moon Orbits Earth first quarter

  40. Sun Illuminates Earth and Moon Sun Moon Orbits Earth gibbous

  41. Sun Illuminates Earth and Moon Sun Moon Orbits Earth full opposition

  42. Sun Illuminates Earth and Moon Moon Orbits Earth Sun Farther Away ¤

  43. Sun Illuminates Earth and Moon Moon Orbits Earth Sun Farther Away ¤

  44. Sun Illuminates Earth and Moon Moon Orbits Earth Sun Farther Away ¤

  45. Aristarchus Sun 20 Times Farther Sun and Moon Look the Same Size According to Solar Eclipses Sun 20 Times Bigger Sun Really 400 Times Farther and 400 Times Bigger Sun Much Farther Away and Much Bigger ¤

  46. Planets Retrograde Prograde Heliocentric Geocentric Ancient Astronomy Sun/Moon/Earth Phases Eclipses Solar Lunar

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