In astronomy, extinction is the absorption and scattering of electromagnetic radiation by dust and gas between an emitting astronomical object and the...

term for mass attenuation coefficient), in physical sciences Extinction (astronomy) Extinction (optical mineralogy), when cross-polarized light dims, as...

In physics, attenuation (in some contexts, extinction) is the gradual loss of flux intensity through a medium. For instance, dark glasses attenuate sunlight...

synonymous with the radiant power emitted by a light-emitting object. In astronomy, luminosity is the total amount of electromagnetic energy emitted per...

In astronomy, photometry, from Greek photo- ("light") and -metry ("measure"), is a technique used in astronomy that is concerned with measuring the flux...

of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is...

Astronomy & Astrophysics (A&A) is a monthly peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics...

medium Interplanetary dust Interstellar dust Intergalactic dust Extinction (astronomy) Star formation Sparke, L. S.; Gallagher, J. S. III (2007). Galaxies...

In astronomy, air mass or airmass is a measure of the amount of air along the line of sight when observing a star or other celestial source from below...

In astronomy, magnitude is measure of the brightness of an object, usually in a defined passband. An imprecise but systematic determination of the magnitude...