Buscar
Mostrando ítems 1-10 de 412
Large Latin American Millimeter Array
(Centro de Estudios sobre Ciencia, Desarrollo y Educación Superior, 2020-10)
The Large Latin American Millimeter Array (LLAMA) is amultipurpose single-dish 12 m radiotelescope with VLBI capabilityunder construction in the Puna de Atacama desert in the Provinceof Salta, Argentina. In this paper I ...
The Barolo Palace: medieval astronomy in the streets of Buenos Aires
(University Wales Trinity Saint David. The Sophia Centre for the Study of Cosmology in Culture, 2013-04)
Cultural heritage relating to the sky in the form of sundials, old observatories and the like, are commonly found in many cities in the Old World, but rarely in the New. This paper examines astronomical heritage embodied ...
Composite mirror facets for ground based gamma ray astronomy
(Elsevier Science, 2013-06)
Composite mirrors for gamma-ray astronomy have been developed to fulfill the specifications required for the next generation of Cherenkov telescopes represented by CTA (Cherenkov Telescope Array). In addition to the basic ...
Inspiration of Astronomy in the movies: a history of a close encounter
(University of Wales Trinity Saint David, 2012)
The connection between astronomy and an independent, widespread cultural expression like cinematography is of particular interest within the context of the Inspiration of Astronomical Phenomena. Astronomy has caught the ...
Astroalign: A Python module for astronomical image registration
(Elsevier, 2020-04)
We present an algorithm implemented in the Astroalign Python module for image registration in astronomy. Our module does not rely on WCS information and instead matches three-point asterisms (triangles) on the images to ...
A key piece in the exoplanet puzzle
(NLM (Medline), 2018-11)
The detection of a low-mass exoplanet on a relatively wide orbit has implications for models of planetary formation and evolution, and could open the door to a new era of exoplanet characterization.
The Earth's eccentricity in Kepler's refutation of the Tychonic approach to the problem of Mars
(John Wiley & Sons Inc., 2021-11)
In this paper I explain Kepler's procedure for refuting the Ptolemaic-Tychonic approach to the problem of Mars, by using latitudinal observations at Mars's opposition, from Chapter 19 of the Astronomia Nova. This critique ...
On Times and Shadows: The Observational Analemma
(American Association of Physics Teachers, 2018-09)
The observation that the shadows of objects change during the course of the day and also for a fixed time during a year led curious minds to realize that the Sun could be used as a timekeeper. However, the daily motion of ...
Notes on the Transmission of Ptolemy's Almagest and Some Geometrical Mechanisms to the Era of Copernicus
(National Astronomical Research Institute of Thailand, 2019-05)
We trace the transmission of Ptolemy´s Almagest from the time of its composition to Arabic translations, Latin translations, and the Epitome of the Almagest by Peurbach and Regiomontanus. Along the way, Ptolemaic astronomy ...
Descrevendo constelações indígenas : resultados obtidos em oficinas numa escola Tukano do noroeste amazônico
(Universidad Nacional de Misiones. Facultad de Humanidades y Ciencias Sociales. Secretaría de Investigación y Postgrado. Programa de Postgrado en Antropología Social, 2019-12-01)
O presente artigo pretende mostrar como foram desenvolvidas propostas de metodologias de pesquisa de campo em astronomia nas culturas, com a finalidade de registrar contribuições dos participantes e conhecedores tradicionais, ...