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Unformatted text preview: The sun appears “in front of” just 13 constellations (Note: you can’t see a constellation when the sun is “in front of” it)-As seen from Earth, The suns apparent path on the sky is called the ecliptic. Throughout the year, the sun appears to be “in” each of the constellations of the Zodiac All of the planets orbit the sun in the same plane. This plane is also called “THE ECLIPTIC” THE REASON FOR THE SEASONS-Hypothesis: The seasons are caused by the Earths proximity to the sun. In Summer, the Earths must be closer to the sun.-Data: When things are closer to the a light source (like the sun) they get hotter.-Data: in most of the northern hemisphere it is warmer in “summer” (June, July, and August)-but in the southern hemisphere, just the opposite is true.-Data: Earths distance from the sun hardly changes in the course of the year. (About 1 %)- (in fact, the earth is closest to the sun each year on January 4.)-Conclusion?...
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This note was uploaded on 09/24/2011 for the course SCI 115 taught by Professor Mccarthy during the Spring '11 term at S.F. State.
- Spring '11