magnitudes - PowerPoint PPT Presentation

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magnitudes

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How bright a star appears to us depends on how far away it is ... Stars that are less luminous. Distance from Earth (pc) 0 10 20 30 40. Distance: 30 pc ... – PowerPoint PPT presentation

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Title: magnitudes


1
Stars that look brighter to us on Earth
Stars that look dimmer to us on Earth
How bright a star appears to us depends on how
far away it is so brighter stars arent
necessarily more luminous!
Stars that are more luminous
Stars that are less luminous
2
Suns 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 30 40
Distance from Earth (pc)
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