The astronomer responsible for developing the stellar magnitude system still in use today was:
A) Herschel.
B) Ptolemy.
C) Hipparchus.
D) Tycho Brahe.

Question

Quizplus · Accepted Answer

The astronomer responsible for developing the stellar magnitude system still in use today was Hipparchus. He used a scale from 1 to 6, with 1 being the brightest and 6 being the faintest, to classify stars based on their apparent brightness. This system was later refined by Ptolemy and has been used for centuries in astronomy.

The Astronomer Responsible for Developing the Stellar Magnitude System Still