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...

within these lanes, mixes and combine to form stars and planets. Extinction (astronomy) Interplanetary medium Intergalactic dust Interplanetary dust Interstellar...

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

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

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

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

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

it, such as background stars and emission or reflection nebulae. The extinction of the light is caused by interstellar dust grains in the coldest, densest...

Unsolved problem in astronomy: Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of...

Stellar astronomy – concerned with Star formation, physical properties, main sequence life span, variability, stellar evolution and extinction. Galactic...

asterism in 2002. Australian Aboriginal astronomy Chinese constellation Nakshatra "An Etymological Dictionary of Astronomy and Astrophysics: asterism". Dictionary...

Pretelescopic astronomy Babylonian astronomy Chinese astronomy Egyptian astronomy Greek astronomy Hebrew astronomy Indian astronomy Islamic astronomy Russian...

X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray observation and detection from astronomical objects. X-radiation...

direction. solar system portal outer space portal astronomy portal Baade's Window Galactic astronomy Galactic Center GeV excess Oort constants The distance...

oldest accurately dated star chart was the result of ancient Egyptian astronomy in 1534 BC. The earliest known star catalogues were compiled by the ancient...

Way cause extinction at optical wavelengths, and foreground stars can be confused with background galaxies. However, the effect of extinction drops at...

no single technique can measure distances at all ranges encountered in astronomy. Instead, one method can be used to measure nearby distances, a second...

(2000). Astronomy and the Dreaming: The Astronomy of the Aboriginal Australians. Astronomy Across Cultures: The History of Non-Western Astronomy. Kluwer...

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...

instrument, such as a telescope or microscope, or eye protection. In astronomy, the naked eye may be used to observe celestial events and objects visible...

"Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18", Astronomy and Astrophysics, 628: A94,...

Its value depends on its intrinsic luminosity, its distance, and any extinction of the object's light caused by interstellar dust along the line of sight...

Graphical timeline from Big Bang to Heat Death (to 101000 years from now) Astronomy portal Stars portal Outer space portal World portal Chronology of the...

mass extinctions. The prehistoric Chicxulub impact, 66 million years ago, is believed to not only be the cause of the Cretaceous–Paleogene extinction event...

2024. Retrieved 19 April 2024. "IAU Office of Astronomy for Education". astro4edu.org. IAU Office of Astronomy for Education. Archived from the original on...

Maya astronomy is the study of the Moon, planets, Milky Way, Sun, and astronomical phenomena by the Precolumbian Maya civilization of Mesoamerica. The...

apparent magnitude (where the effect is called "extinction"). Color distortion (including reddening) and extinction (obscuration) are also apparent in stars...

magnitude 16.5. It has an integrated absolute magnitude of –6.5, and a visual extinction of 1.3. The cluster is metal-rich with an iron abundance of [Fe/H] = 0...