IGCSE Physics - Astrophysics Formulae

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Orbital Speed
Orbital Speed = (2 x π x orbital radius) / time
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Equation relating change in wavelength, wavelength, velocity of a galaxy and the speed of light
= (change in wavelength / reference wavelength) = (velocity of galaxy / speed of light)
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Universe
Universe = a large collection of billions of galaxies
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Galaxy
Galaxy = a large collection of billions of stars
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Milky Way
Milky Way = our galaxy
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Other cards in this set

Card 2

Front

Equation relating change in wavelength, wavelength, velocity of a galaxy and the speed of light

Back

= (change in wavelength / reference wavelength) = (velocity of galaxy / speed of light)

Card 3

Front

Universe

Back

Preview of the front of card 3

Card 4

Front

Galaxy

Back

Preview of the front of card 4

Card 5

Front

Milky Way

Back

Preview of the front of card 5

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