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ASTA01H3 (77)
Lecture 4

emphasis of lecture 4 and 5

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Department
Astronomy
Course
ASTA01H3
Professor
Rick Halpern
Semester
Fall

Description
Lecture 4: The Copernican Revolution Geocentric Universe o Ancient astronomers were aware about sun, moon, mercury, venus, mars, Jupiter and saturn o Planet: planets change speed, brightness and have retrograde motion o Inferior planets: Mercury, Venus o Superior planets: Mars, Jupiter and Saturn o Inferior planets have inferior conjunction (closest to earth) and superior conjunction (farthest from the earth) o Superior planets go through opposition(closeto earth) and conjunction (farthest away) o Inferior planet never move too far from the sun o Superior planets are not tied to sun and experiences retrograde motion o Superior planets are brightest at opposition www.notesolution.com
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