Past tests w/ answers (Used to study for the final)

Past tests w/ answers (Used to study for the final) -...

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Astronomy 1010 Final Exam Review Chapter 1 Review the components of our solar system – sun, planets, moons, asteroids, comets Be aware of new units of distance – a light year and the Astronomical Unit (you don’t have to know the length in miles or kilometers) Review the various motions of the Earth - Rotation : spins on its axis from west to east (counter-clockwise) & it takes 23 h 56 m 4.09 s to complete one full turn. Day & night is produced by rotation. The speed - Revolution : spins on its axis around sun in counter-clockwise. It takes 1 year for full revolution. The path is known as the Earth’s orbit - Orbiting the sun - Precession - Our galaxy’s motion in local group - Expansion of universe Chapter 2 Review the concept of the celestial sphere, motions of stars, circumpolar stars. - Celestial sphere: an imaginary sphere of gigantic radius w/ the earth at its center. Its poles are aligned with Earth’s poles & celestial equator lies in the same plane as the Earth’s equator. - Measure distances on celestial sphere with angles o o Celestial Equator – earth’s equator w/ greater radius. o Horizon – changes depending on your position on earth o Zenith – the point directly overhead o Meridian – the line the extends from the north point on horizon upwards through Our view of the celestial sphere is determined by where we stand on the Earth (^) Review the Moon’s phases, times of day for rising and setting, types of eclipses, causes of eclipses - Phases o New waxing crescent 1 st Qtr Waxing gibbous full waning gibbous 3 rd Qtr waning crescent New - Times of day - Eclipses o Solar: moon passes directly b/w sun & earth. moon must be new (total, partial annular). o Lunar: the moon moves into earth’s shadow. Sun & moon are in opposite sides of earth. Full moon required & only visible at night. (total, partial, annular) - Cause of eclipses: it occurs when the moon moves into a position of direct alignment Understand that the Moon rotates – once per orbit Understand retrograde motion of the planets and why the Greeks explained it incorrectly They didn’t see parallax Chapter 3 Review the following historical figures and the contributions they made to astronomy: Copernicus – heliocentric view of the solar system; however his model had flaws (assumed circular orbits) Kepler – Laws of planetary motion – you should know what an ellipse is, and how Kepler’s Laws explain planetary motion (Used Tycho’s observations)
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Orbits of planets are ellipses An oval shape w/ 2 interior points (foci), long axis (major axis), short axis (minor axis) and center (NOT focus)
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This note was uploaded on 12/07/2011 for the course ASTR 1010 taught by Professor Staff during the Fall '08 term at Georgia State.

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Past tests w/ answers (Used to study for the final) -...

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