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Stars that look brighter to us on Earth

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Presentation on theme: "Stars that look brighter to us on Earth"— Presentation transcript:

1 Stars that look brighter to us on Earth
Stars that look dimmer to us on Earth Apparent Magnitude 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 Stars that are less luminous Absolute Magnitude

2 Sun’s magnitude at various distances:
Abs. Mag.: +4.5 Distance: pc App. Mag.: Abs. Mag.: +4.5 Distance: 10 pc App. Mag.: +4.5 Abs. Mag.: +4.5 Distance: 30 pc App. Mag.: +6.9 Distance from Earth (pc)


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