The moon


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The moon

  1. 1. The Moon<br />Peter Zarriello, Brenna Sullivan, Tyler Dechaine, Andriy Noble<br />
  2. 2. HYPOTHESIS of how the moon was formed<br />The condensation hypothesis suggest the moon was formed in a cloud of gas and debris just like the planets<br />The capture hypothesis suggests the moon was an asteroid that was captured by the earths gravitational mass<br />The fission hypothesis states the moon broke off as a chunk of the earth while the planet was spinning fiercely<br />The large impact hypothesis states that a mass the size of mars crashed into earth nearly destroying the planet and sending a massive cloud of debris into orbit. this debris over time came together to form what is now known as our moon.<br />
  3. 3. The beginning of the moon<br />When the moon was created 3.8-4.5 billion years ago, it was pummeled with asteroids and the low areas filled with oozing molten lava<br />Over a period of 750 million years the molten lava cooled to form areas that are black like ash known as the maria.<br />
  4. 4. Craters and Maria on the moon<br />The moon is littered with craters and large low lying flat lands.<br />
  5. 5. The Highlands<br />the cratered areas are called the highlands and the dark low areas are called the maria.<br />
  6. 6. Geology of the moon<br />The dark gray areas of the moon that we see from earth are known as the lunar lowlands.<br />The lighter colored mountains are known as the lunar highlands.<br />The moon looks bright against the stars in the night sky, but it only reflects 6 percent of the light that hits it. <br />The craters on the moon were created by impacts. Most were created when the solar system was young.<br />The hilly regions of the moon are covered with a rock called anorthosite. This rock is a light colored rock which is made up of calcium and aluminum. <br />
  7. 7. The Motions of the Moon<br />The moon moves eastward in the sky, toward the background stars.<br />Each night if you were to watch the moon, its about 13 degrees east from the spot it was the night before.<br />The moon takes about one month to completely orbit around the earth.<br />
  8. 8. Moon Phases<br />The moon always keeps the same side facing the earth, and you never see the far side.<br />Sun illuminating on different parts of the side of the moon produces the different phases of the moon.<br />The orbital period of the moon around the earth is not the same as the length of a moon phase cycle.<br />The phases of the moon are New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter Moon, and Waning Crescent.<br />
  9. 9. Faces of the moon<br />Near-Side<br />Far-Side<br />
  10. 10. Phases of the moon<br />
  11. 11. Your Weight on the moon<br />The moon is 1/4 the size of Earth, so the moon's gravity is much less than the earth's gravity, 83.3% less.<br />If you weigh 150lbs on Earth you would only weigh 24.9lbs on the moon. Or 1/6th of your weight of that on the Earth.<br />
  12. 12. Gravity field of the moon<br />The gravitational acceleration on the surface of the moon is 1.63 m/s2 or about 16.7% that on Earth's surface.<br />The major characteristic of the Moon's gravitational field is the presence of mascons, which are large positive gravity anomalies associated with some of the giant impact basins.<br />
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  14. 14. Landing on the moon<br />
  15. 15. Life On The Moon<br />No life currently exists on the moon that we know of, and no life used to exist that we know of<br />Water is the basis of life that we know and the moon lacks the abundant amount needed to support life<br />In 2009 water on the moon was found in such small increments that the earths driest deserts have more water<br />In 2010 an estimated 600 million tones of frozen layers meters thick of ice were found in the north pole of the moon<br />