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Class Notes for Astronomy at University of British Columbia - Okanagan

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ASTR 111 Lecture Notes - Lecture 7: Copernican Revolution, Special Relativity, Classical Mechanics
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Galileo and the Telescope The telescope was invented in the first decade of the seventeenth century by Dutch opticians. Galileo was the first to use the telescope to look at the sky. He discovered Moon's orbiting Jupiter...

Astronomy
ASTR 111
Dan Vollick
ASTR 111 Lecture Notes - Lecture 6: Orbital Period, Solar Time
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Length of a Day Solar day is longer than a sidereal day by about 1/360 of a day (about 4 min) because Earth moves about 1 degree in orbit each day. Sidereal month: Moon orbits Earth in 27.3 days relative to stars. Earth...

Astronomy
ASTR 111
Dan Vollick
ASTR 111 Lecture Notes - Lecture 5: Right Ascension, Celestial Equator, Declination
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Right Ascension and Declination If a start is at +60 latitude, it is circumpolar, meaning it never sets. In North, stars with declination > (90 - your latitude) are circumpolar. Celestial equator is in south part of sky. ...

Astronomy
ASTR 111
Dan Vollick
ASTR 111 Lecture Notes - Lecture 4: Semi-Major And Semi-Minor Axes, Minute And Second Of Arc, Earth'S Rotation

Postional Astronomy Positional Astronomy - The study of the positions of objects in the sky and how these positions change. Naked-Eye astronomy - the sort that requires no equipment but human vision. Alignments of the s...

Astronomy
ASTR 111
Dan Vollick
ASTR 111 Lecture Notes - Lecture 3: Apparent Retrograde Motion, Apsis

Solar Eclipses Widest eclipse path = 270 kilometers. Rotation of the Earth, coupled with the orbital motion of the moon, causes the umbra to race East-wards at speeds in excess of 1700 km/h. Due to this high speed, the ...

Astronomy
ASTR 111
Dan Vollick
ASTR 111 Lecture Notes - Lecture 2: Angular Diameter, Tidal Locking, The Moons

Phases of the Moon Phases of the Moon: A. New Moon B. Waxing Crescent C. First Quarter Moon D. Waxing Gibbous Moon E. Full Moon F. Waning Gibbous Moon G. Third Quarter Moon H. Waning Crescent Moon The Moon's rotation al...

Astronomy
ASTR 111
Dan Vollick
ASTR 111 Lecture Notes - Lecture 1: Top, Equinox, Eugenius Warming

Astronomy 111 Latitude: Position north or south of equator Longitude: position east or west of prime meridian (runs through Greenwich, England) The sky varies with latitude, but not longitude. Altitude of the celestial pol...

Astronomy
ASTR 111
Dan Vollick

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