The main difference between absolute and apparent magnitude is that apparent magnitude measures the observed brightness of an object from any point, whereas absolute magnitude calculates the brightness of the object as seen from a standard distance away from the object.
Example: Absolute Brightness: How bright a star appears at a certain distance.Apparent Brightness: The brightness of a star as seen from Earth.
Apparent brightness is the optical illusion where the source of light is different while absolute brightness of a star is the aura of the star .
