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Lecture 5

Astronomy- Lecture 5.docx

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Department
Astronomy
Course
AS101
Professor
Patrick Mc Graw
Semester
Winter

Description
Astronomy- Lecture 5 Declination - Analog to the latitude to the map - Altitude means roughly how far something is - Stars altitude varies as the earth rotates - The altitude of the stars keep on changing through the course of the night - Declination is the angular distance from the celestial equator. - The declination is how far or south we are from the equator belt - Declination for a start is fixed, altitude is not Latitude affects what you can see - If we are sitting at the north pole then NCP is directly at the zenith - The altitude of the NCP is equal to the observer Historical importance of seasonal cycle - Summer solstice is the first day of the summer Consider the orbit fo the Earth - The earth`s orbit is a circle Mystery - This is because the eart
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