hw3 - Astro 102/104 Name Our Solar System Spring 2008...

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Astro 102/104 Our Solar System Spring 2008 Name: Section: Homework 3: The Moon, Eclipses, Tides, Radiation, Spectra. Due: In your section the week of February 11 th . Be neat and concise, show your work, and remember units. An answer without the correct units is wrong. Readings: Ch 2.3, 5, and lectures 5,6 and 7. 1.. [1 point] Which of the following are leap years: 1600 AD, 1900 AD, 2006 AD, 2020 AD? 2. [3 points] Imagine that you are the far side of the Moon. Would you see the Sun during a (a) solar eclipse? (b) lunar eclipse? Explain why or why not. 3. [3 points] The Earth’s rate of spin is slowing down and the Moon is getting further from Earth. (a) Explain why this is happening and (b) How much further away from Earth will the Moon be in 1000 years? (c) How much slower will the Earth be rotating in 1000 years?
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4. [2 points] Will there always be total solar eclipses on the Earth? Explain why or why not. 5. [2 points] Explain why we on Earth only see one side of the moon. If you were on the near side of the Moon, would you see only one side of the Earth? Would you see the Earth at all? Explain.
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