06-28-2017, 07:29 AM
Voted
Star A is 8 parsecs away from Earth and 7 times brighter than our sun (but appears dimmer due to the distance). Star B is 16 parsecs away from Earth appears to be just as bright as Star A. How many times brighter than our sun is Star B? (note: no physical constants or anything should be required)
28
Star A is 8 parsecs away from Earth and 7 times brighter than our sun (but appears dimmer due to the distance). Star B is 16 parsecs away from Earth appears to be just as bright as Star A. How many times brighter than our sun is Star B? (note: no physical constants or anything should be required)
28