ASTR 1101 : Test 1 Notes
Document Summary
8/27/2012: 88 rectangular regions in the sky (not very rectangular, pleiades open cluster of stars not a constellation (the 7 sisters, Subaru: ursa major (big dipper, constellations are convenient for finding other stars, summer triangle (can see in the northern hemisphere, made up of. 3 stars: winter triangle (northern hemisphere, made up of very bright stars) Origin of constellations: 48 of the 88 modern constellations came from almagest (ptolemy, oldest direct evidence date to ~700 bc, observations likely from assyria (northern mesopotamia) in. ~1300 bc: old world and new had similar stories about bear and hunters (big. Dipper: story likely carried across bering strait land bridge about. The first constellation: lascaux paleolithic cave, paintings date back 17,300 years ago, mostly large animals, some believe the scene shown at left represents orion"s belt, Ancient uses: mythology/storytelling, calendar, constellations (stars in general) are seasonal, navigation, polaris points north and gives your latitude, constellations overhead provide longitude, astrology, not real.
