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PHYSICS > ASTROPHYSICS > Flashcards

ASTROPHYSICS Flashcards

1
Q

Apparent Magnitude

A

brightness of an object as seen from earth

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2
Q

Absolute magnitude

A

Brightness seen from 10pc (parsec)

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3
Q

light year

A

distance traveled by light in one year

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4
Q

parsec

A

distance to an object subtending 1 second of arc to earths orbit

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5
Q

State meaning of T in Stefan-Boltzmann law

A

Kelvin temperature of surface

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6
Q

Unit of luminosity

A

watts

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PHYSICS (14 decks)

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