Aero-Terms are designed to be a daily reminder of the terms,
names, acronyms and explanations of the unique language that
populates the aviation world. Aerospace, sport aviation, fixed
wing, helo, you name it... it's all fair game.
Aero-Terms should serve as a quick but intriguing reminder of
the terms you may use every day, or an introduction to an aspects
of the Aero-World you may not yet be familiar with. ANN also
encourages readers to go beyond the FMI link, and further research
any intriguing terms.
The degree of brightness of a celestial body designated on a
numerical scale, on which the brightest star has magnitude -1.4 and
the faintest visible star has magnitude 6, with the scale rule such
that a decrease of one unit represents an increase in apparent
brightness by a factor of 2.512; also called apparent