When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Oftentimes in skywatching stories, astronomers refer to the magnitude of a star or planet. It's ...

One of the greatest puzzles for anyone who has just acquired a telescope is how to find objects in the night sky. They have seen all the beautiful pictures in books, magazines, and the internet, and ...

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.