What is the brightest thing in the universe?

What is the brightest thing in the universe :
According to human beings the most brightest thing in the universe is SUN. Astronauts use 2 methods to find the brightness they are -
1. Apparent magnitude, this shows only brightness. 
2. Abosulated magnitude shows Brightness and exact distance. 
       
          What is a brightness scale  :
A scale is used to measure brightness. In this scale lower numbers indicates higher brightness. 

 Sun Absolute magnitude is -4.83
Sirius Absolute magnitude -1.46

This nearest brightest thing to earth is R136A1 . What is it?

R136A1 this is 265 times brighter than the sun .
R136A1 Brightness is -12.6. This is more bigger than sun. Suppose if this would be in our sun's place then we could become blind by its brightness in fraction of seconds. 
According to scientists the nearest brightest thing is R136A1.


                                          R136A1
                             
                                                       - Hope you like it... 
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