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Published byJayson Spencer Modified over 8 years ago
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Recap of Earth-Moon Comparison
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Earth 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 Moon
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Earth Active volcanoes - chains Earthquakes - chains Mountain chains Active magnetic field Few craters Geologically Active! Moon NO active volcanoes Few moonquakes NO mountain chains NO active magnetic field Buckets of craters Geologically Inactive!
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Phases of the Moon!
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Revolve Orbit Rotate Axis Earth-Moon Vocabulary
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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”.
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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.
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Eclipses Only 7 eclipses occur in a single year. –2 Lunar –5 Solar
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November 1, 2004 Waning Gibbous
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November 2, 2004 Waning Gibbous
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November 3, 2004 Waning Gibbous
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November 4, 2004 Third or Last Quarter
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November 5, 2004 Third or Last Quarter
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November 6, 2004 Waning Crescent
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November 7, 2004 Waning Crescent
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November 8, 2004 Waning Crescent
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November 9, 2004 Waning Crescent
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November 10, 2004 Waning Crescent
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November 11, 2004 Waning Crescent
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November 12, 2004 New Moon
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November 13, 2004 Waxing Crescent
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November 14, 2004 Waxing Crescent
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November 15, 2004 Waxing Crescent
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November 16, 2004 Waxing Crescent
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November 17, 2004 Waxing Crescent
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November 18, 2004 First Quarter
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November 19, 2004 Waxing Gibbous
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November 20, 2004 Waxing Gibbous
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November 21, 2004 Waxing Gibbous
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November 22, 2004 Waxing Gibbous
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November 23, 2004 Waxing Gibbous
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November 24, 2004 Waxing Gibbous
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November 25, 2004 Waxing Gibbous
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November 26, 2004 Waxing Gibbous
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November 27, 2004 Full Moon
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November 28, 2004 Waning Gibbous
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November 29, 2004 Waning Gibbous
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November 30, 2004 Waning Gibbous
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