Week 6 Notes.docx - Olivia Pandola AST165 Week 6 Notes Constellations Order of the Zodiac Signs \u25cf Based off Ecliptic path when Sun passes through each

Week 6 Notes.docx - Olivia Pandola AST165 Week 6 Notes...

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Olivia Pandola AST165 2/26/19 Week 6 Notes Constellations Order of the Zodiac Signs Based off Ecliptic path when Sun passes through each zodiac constellation as Earth orbits Sun, Sun moves through different constellations 13 constellations; only 12 traditionally recognized Appears for one month each 13th constellation: Ophiuchus; ditched because astronomers based them off 12 months Ecliptic : path Sun follows on celestial sphere ecliptic passes through each Zodiac Constellation Examples: January: Sun shows in Capricornus May: Sun shows in Taurus Order starts with SPRING EQUINOX Rest of them correlate with equinoxes Intro What constellations we can see at night depends on time of year (date) As Earth orbits Sun every 365 days, its direction when facing away is diff depending on time of year Zodiac : 12 traditional constellations (13 w Ophiucus) along ecliptic where Sun “appears” to be located at

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