A Parallel Universe. Imagine a parallel universe in which

GEOS 103.001 – Observing Our Cosmos Edinboro University Course Dr. David Hurd Week 8 Class Lecture Notes (3/21 – 3/23) 3/21  Sun rises in east, sets in the west (generally, with exceptions) o Due to rotation on Earth’s axis  Solar noon = the position of the sun on our meridian of longitude On page 8 in the blue packet, we filled out the Annual Variation of Sun at Solar Noon and the Length of day in Edinboro: Most important days:  VE = Vernal Equinox o Sun is 48 ͦabove horizon at solar noon o 12 hours of sunlight o The sun rises in E and sets in W o Intersects CE  SS = Summer Solstice o 71.5 ͦabove horizon o Approx. 14hr 30min of sunlight  Longest day of the year o Sun rises in NE, sets in NW o The sun in the furthest north from the CE that it will ever be  AE = Autumnal Equinox o 48 ͦabove horizon o 12 hours of sunlight o The sun rises in E and sets in W o Intersects CE  WS = Winter Solstice o 24.5 ͦabove horizon o Approx. 8 hours of sunlight  Shortest day of the year o Sun rises in SE, sets in SW o Sun is furthest south from CE that it will ever be 3/23  You always fin the sun, moon, and planets along the ecliptic o The ecliptic is marked by the twelve zodiac constellations  Therefore the plane of our solar system is also marked by the zodiac 