Aug 31, 2010 #1 T tashaS1 New member Joined Aug 31, 2010 Messages 1 Reaction score 0 Points 1 which are visible to the unaided eye? Which pair of stars has an intensity ratio of 16?
Aug 31, 2010 #2 M MichaelM Member Joined May 15, 2008 Messages 330 Reaction score 0 Points 16 A is brightest. A and B should(tm) be visible to the naked eye on a dark night with clear weather out in the country (up to magnitude 6 should be visible in those conditions). B and C have an intensity ratio of 16 (magnitude difference squared).'
A is brightest. A and B should(tm) be visible to the naked eye on a dark night with clear weather out in the country (up to magnitude 6 should be visible in those conditions). B and C have an intensity ratio of 16 (magnitude difference squared).'