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Astronomy Review

Astronomy Review - magnetic field and run into earth’s...

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05/12/2006 09:36:00 P 2 =a 3 Relates period of a planet’s orbit to size of planet’s orbit Holds true for all of the planets P= yr A= a.u. Cassini Division Waves set up by explosions Pressure waves (up and down) o Passes from solid to liquid with no problem Sheer waves (side to side) o Doesn’t pass into liquids well Cause of auroras Sun giving off charged particles, as come to earth get trapped in the magnetic  field; this builds up and creates van allen belts; particles work around 
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Unformatted text preview: magnetic field, and run into earth’s atmosphere; atom in the atmosphere get excited and begin to glow; what we actually SEE is the earth’s atmosphere glowing ← ← Aristarchus and radius of earth (Formula) ← ← Kepler’s equation/law ← ← Law of gravity ← ← Escape velocity ← ← Parallax • Only works for nearby stars (geometrically) 05/12/2006 09:36:00 ← 05/12/2006 09:36:00 ←...
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