Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,895,821,124 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

absolute magnitude
(redirected from Absolute brightness)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
absolute magnitude: see magnitude magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the
..... Click the link for more information.
.
absolute magnitude [′ab·sə‚lüt ′mag·nə·tüd]
(astrophysics)
A measure of the brightness of a star equal to the magnitude the star would have at a distance of 10 parsecs from the observer.
The stellar magnitude any meteor would have if placed in the observer's zenith at a height of 100 kilometers.
(mathematics)
The absolute value of a number or quantity.


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Mentioned in?  References in periodicals archive?   Encyclopedia browser?   Full browser?
No references found
 
LED lights have the right balance of absolute brightness and safe glare that helps radiate light with a glowing charm.
A large majority of the feline neurons tracked by Rossi's team showed the same electrical responses in the two trials to squares of equal perceived brightness, at least as judged by humans, rather than absolute brightness.
She soon became an expert in determining the absolute brightness of stars.
 
 
 
Encyclopedia
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.