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Transcript
Stars that look brighter to us on Earth -10 -5 Stars that look dimmer to us on Earth 0 5 10 Apparent Magnitude 15 How bright a star appears to us depends on how far away it is – so brighter stars aren’t necessarily more luminous! Stars that are more luminous -10 -5 Stars that are less luminous 0 5 10 Absolute Magnitude 15 Sun’s magnitude at various distances: Abs. Mag.: +4.5 Distance: .0000048 pc App. Mag.: -26.5 Abs. Mag.: +4.5 Distance: 10 pc App. Mag.: +4.5 Abs. Mag.: +4.5 Distance: 30 pc App. Mag.: +6.9 0 10 20 Distance from Earth (pc) 30 40
