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GCSE Astronomy > Topic 13 > Flashcards

Topic 13 Flashcards

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1
Q

What is the magnitude of a star

A

How bright it is

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2
Q

What is apparent magnitude of a star?

A

How bright an object appears to be from the Earth (m)

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3
Q

What is absolute magnitude (M)

A

How bright the object is in space 10 parsecs away - its actual magnitude

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4
Q

Absolute magnitude equation

A

M= m+5 log d

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5
Q

Apparent magnitude equation

A

m = M-5 +log d

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GCSE Astronomy (19 decks)

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