"Starlight and What it Tells Us. Brightness of Stars. Variations in distance and
intrinsic brightness; Scale based on one by Hipparcos 500 B.C.; Magnitude:
Large ..."
https://www.uwgb.edu/DutchS/CosmosPowerPoint/Starlight.ppt
"Starlight and What it Tells Us. Brightness of Stars. Variations in distance and
intrinsic brightness; Scale based on one by Hipparcos 500 B.C.; Magnitude:
Large ..."
https://www.uwgb.edu/DutchS/CosmosPowerPoint/Starlight.ppt
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