The astronomical magnitude system, initially developed by Hipparchus and refined by Ptolemy, quantifies the brightness of celestial objects, with brighter objects having lower magnitudes. Norman R.
What is the baseline for determining the magnitude scale of celestial objects? Why do brighter objects have negative numbers? Dean TreadwayKnoxville, Tennessee The first observer to catalog ...
When we observe the stars in the night sky, their brightness can be pretty dramatic, but the way astronomers measure brightness is not how one might intuitively think about it. In astronomy, ...