rotation of a star.
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Doppler Effect with Light
6378 km
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Radius of Earth
,The velocity required to resist the gravitational pull of a body and leave it (11.2 km/s on
Earth).
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Escape Velocity
Northern hemisphere is tipped most directly away from the Sun.
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December Solstice
The process by which massive stars implode on themselves at the end of their life,
which releases all the elements the star has fused into space.
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Supernova
p^2 = a^3, where p = orbital period in years and a = average distance from Sun in AU.
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Kepler's Third Law
, Moon blocks the sunlight from the Earth; Moon's shadow falls on the Earth.
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Solar Eclipse
Amplitude of wave is orthogonal to the direction the wave travels.
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Transverse Wave
A dense, opaque object that emits thermal radiation.
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Blackbody
Fg = G(Mm)/(r^2)
f = ma
ma = G(Mm)/(r^2)
a = GM/(r^2)
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