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The SAO/NASA Astrophysics Data System (ADS) is a digital library portal for researchers on astronomy and physics, operated for NASA by the Smithsonian Astrophysical Observatory. ADS maintains three bibliographic collections containing over 15 million records, including all arXiv e-prints. [ 1 ]
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
Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. [1] [2] As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space—what they are, rather than where they are", [3] which is studied ...
The Mount Stromlo site had already been used for observations in the previous decade, a small observatory being established there by Pietro Baracchi using the Oddie telescope located there in 1911. [1] The dome built to house the Oddie telescope was the first Commonwealth building constructed in the newly established Australian Capital ...
The main academic full-text databases are open archives or link-resolution services, although others operate under different models such as mirroring or hybrid publishers. Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is available.
Sunset at the equinox from the prehistoric site of Pizzo Vento at Fondachelli Fantina, Sicily (from History of astronomy) Image 5 An image of the Cat's Paw Nebula created combining the work of professional and amateur astronomers.
The Smithsonian Astrophysical Observatory (SAO) is a research institute of the Smithsonian Institution, concentrating on astrophysical studies including galactic and extragalactic astronomy, cosmology, solar, earth and planetary sciences, theory and instrumentation, using observations at wavelengths from the highest energy gamma rays to the radio, along with gravitational waves.
Mayan astronomers discover an 18.7-year cycle in the rising and setting of the Moon.From this they created the first almanacs – tables of the movements of the Sun, Moon, and planets for the use in astrology.