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A&A – (publication) Astronomy & Astrophysics, a European scientific journal; AAA – (organization) Amateur Astronomers Association of New York; AAO – (organization) Australian Astronomical Observatory (prior to 1 July 2010: Anglo-Australian Observatory) AAS – (organization) American Astronomical Society; AAT – (telescope) Anglo ...
This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...
The discipline is an overlap of astronomy and chemistry. The word "astrochemistry" may be applied to both the Solar System and the interstellar medium . The study of the abundance of elements and isotope ratios in Solar System objects, such as meteorites , is also called cosmochemistry , while the study of interstellar atoms and molecules and ...
Zeta Reticuli, Latinized from ζ Reticuli, is a wide binary star system in the southern constellation of Reticulum.From the southern hemisphere the pair can be seen with the naked eye as a double star in very dark skies.
From the 1950s onwards, radio astronomy began to dominate new detections, with sub-mm astronomy also becoming important from the 1990s. [3] The inventory of detected molecules is highly biased towards certain types which are easier to detect. For example, radio astronomy is most sensitive to small linear molecules with a high molecular dipole. [3]
Orbital Parameters of a Cosmic Object: . α - RA, right ascension, if the Greek letter does not appear, á letter will appear. δ - Dec, declination, if the Greek letter does not appear, ä letter will appear.
Journal for the History of Astronomy; Journal of Astronomical History and Heritage; Journal of Astrophysics and Astronomy; Journal of the American Association of Variable Star Observers; Journal of Astronomical Instrumentation; Journal of Astronomical Telescopes, Instruments, and Systems; Journal of the British Astronomical Association
Its name is Latin for a small net, or reticle—a net of crosshairs at the focus of a telescope eyepiece that is used to measure star positions. [2] The constellation is best viewed between October and December, and save for one main star visible in ideal conditions, cannot be seen from north of the 30th parallel north. [3]