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More cards in this set
Card 6
Front
What is a light year?
Back
Card 7
Front
How can you work out the angle subtended by an object in the sky?
Back
Card 8
Front
Why don't the radius and distance have units?
Back
Card 9
Front
What is luminosity?
Back
Card 10
Front
What is intensity?
Back
Card 11
Front
What is apparent magnitude?
Back
Card 12
Front
What was the ancient Greek scaling system for brightness?
Back
Card 13
Front
What is the difference in magnitude between a magnitude 1 and 6 star?
Back
Card 14
Front
How can you calculate the brightness ratio between two stars?
Back
Card 15
Front
What is absolute magnitude?
Back
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