+0  
 
0
53
2
avatar+482 

Approximate apparent magnitudes of celestial object A is −19

and of celestial object B is

3.03

How many times brighter is the celestial object A than celestial object​ B

 Mar 25, 2020
 #1
avatar+23646 
+2

One magnitude corresponds to a brightness factor of 2.512 times    The more NEGATIVE the BRIGHTER the object is....in this example A is much brighter than B....How much brighter?

 

3.03 -  - 19 = 22.03

 

22.03   x   2.512 =    A  is  ~55 times brighter  than B

 Mar 25, 2020
 #2
avatar+1968 
+1

Nice, EP!

CalTheGreat  Mar 25, 2020

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