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The Moon

The Moon . Joe Glavan Riverside Local School District November 4, 2013. How the moon was created. Giant Impact Hypothesis

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The Moon

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  1. The Moon Joe Glavan Riverside Local School District November 4, 2013

  2. How the moon was created • Giant Impact Hypothesis • The giant impact hypothesis states that the Moon was formed out of the debris left over from a collision between the Earth and a body, the size of Mars, approximately four and a half billion years ago. • The colliding body is called Theia, for the mythical Greek Titan who was the mother of Selene, the goddess of the Moon.[1]

  3. Features on the surface of the moon • Maria: Dark areas of the moon that are smooth and reflect little light. They are plains of dark solidified lava created from ancient volcanic eruptions.Maria is latin for “sea”. • Rilles: Long deep channels created by lava flows from when volcanos were active. • Craters: Bowl-shaped depressions formed by debris that struck the moon surface.

  4. Features on the surface of the moon • Rays: Displaced streaks of material that settled after a meteor strike. Imagine dropping a marble in sand. The sand that goes up from impact is the “ray material” • Regolith: material on the surface of the moon consisted of dust and rocks left over from craters.

  5. Orbit Around Earth

  6. Tidal Effects • The moon's gravity pulls at the Earth, causing predictable rises and falls in sea levels known as tides. • High tides are when water bulges upward, and low tides are when water drops down. • High tide results on the side of the Earth nearest the moon due to gravity.

  7. Phases of the Moon • As the moon revolves around the earth, different parts of the light side of the moon face the earth. This causes the shape of the visible portion of the moon to vary. • These varying shapes, lighted by reflected sunlight, are called Phases of the moon.

  8. Phases: Important Terms: Waxing: When the size of the visible moon is INCREASING Waning: When the size of the visible moon is DECREASING. • New Moon • Waxing Crescent • First Quarter • Waxing Gibbous • Full Moon • Waning Gibbous • Last Quarter • Waning Crescent

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