Absolute Magnitude
The brightness of a star as seen from a distance of 10 parsecs
Real World Example
Imagine you're trying to compare the loudness of songs played at different distances in a crowded street. Just like how you might struggle to gauge which song is truly louder unless you bring all the speakers to the same spot and listen from the same distance, astronomers face a similar challenge with stars. Absolute magnitude is like this standardized listening spot: it's the brightness of a star as if it were observed from a uniform distance of 10 parsecs, allowing astronomers to fairly compare the intrinsic brightness of stars without the varying effects of distance.
Practice Version
