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Elena Constancia Ogilvie.jpg

Космос · Photo

Elena Constancia Ogilvie.jpg

Empleada del Observatorio Nacional Argentino (hoy OAC) entre 1906 y 1940, como medidora de placas y calculadora, de destacada actuación en la institución.

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Cámaras expedición 1912.jpg

Космос · Photo

Cámaras expedición 1912.jpg

Cámaras utilizada en la expedición 1912 en Cristina, Brasil por el Observatorio Nacional Argentino para realizar el primer intento confirmación de la desviación de la luz por la masa del Sol predicha por Einstein(Teoría de la Relatividad). Realizada por pedido expreso de Einstein (a través de Freundlich). No se pudo concretar por una intensa lluvia que azotó la zona. https://historiadelaastronomia.wordpress.com/documentos/primerintento/

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Voyager Captures Sounds of Interstellar Space.webm

Космос · Video

Voyager Captures Sounds of Interstellar Space.webm

NASA's Voyager 1 spacecraft captured these sounds of interstellar space. Voyager 1's plasma wave instrument detected the vibrations of dense interstellar plasma, or ionized gas, from October to November 2012 and April to May 2013. The graphic shows the frequency of the waves, which indicate the density of the plasma. Colors indicate the intensity of the waves, or how "loud" they are. Red indicates the loudest waves and blue indicates the weakest. The soundtrack reproduces the amplitude and frequency of the plasma waves as "heard" by Voyager 1. The waves detected by the instrument antennas can be simply amplified and played through a speaker. These frequencies are within the range heard by human ears. Scientists noticed that each occurrence involved a rising tone. The dashed line indicates that the rising tones follow the same slope. This means a continuously increasing density. When scientists extrapolated this line even further back in time (not shown), they deduced that Voyager 1 first encountered interstellar plasma in August 2012. The Voyager spacecraft were built and continue to be operated by NASA's Jet Propulsion Laboratory, in Pasadena, Calif. Caltech manages JPL for NASA. The Voyager missions are a part of NASA's Heliophysics System Observatory, sponsored by the Heliophysics Division of the Science Mission Directorate at NASA Headquarters in Washington. For more information about Voyager, visit: http://www.nasa.gov/voyager and http://voyager.jpl.nasa.gov . Credit: NASA/JPL-Caltech/University of Iowa

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Journey to the Center of the Galaxy.webm

Космос · Video

Journey to the Center of the Galaxy.webm

Video Credit: ESO/MPE/Nick Risinger (skysurvey.org)/VISTA/J. Emerson/Digitized Sky Survey 2 Details: http://www.eso.org/public/videos/eso1151d/ Details: https://apod.nasa.gov/apod/ap181229.html

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Fly Over Dwarf Planet Ceres.webm

Космос · Video

Fly Over Dwarf Planet Ceres.webm

A new video animation of dwarf planet Ceres, based on images taken by NASA's Dawn spacecraft, provides dramatic flyover views of this heavily cratered, mysterious world. The images come from Dawn's first mapping orbit at Ceres, at an altitude of 8,400 mile (13,600 kilometers), as well as navigational images taken from 3,200 miles (5,100 kilometers) away. The images provided information for a three-dimensional terrain model. The vertical dimension has been exaggerated by a factor of two, and a star field has been added in the background. http://www.jpl.nasa.gov/video/details.php?id=1380 http://apod.nasa.gov/apod/ap150610.html

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MESSENGER False Color Mercury Globe Spin.webm

Космос · Video

MESSENGER False Color Mercury Globe Spin.webm

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington http://messenger.jhuapl.edu/gallery/sciencePhotos/image.php?page=1&gallery_id=2&image_id=1085&keyword=73&search_cat=

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Mars at Closest Approach 2016.webm

Космос · Video

Mars at Closest Approach 2016.webm

Mars at Closest Approach 2016 Copyright: Jesús Santos Garzás Details: Astronomy Picture of the Day (APOD): 2016 August 9 Details: http://apod.nasa.gov/apod/ap160809.html

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A Powerful Solar Flare.webm

Космос · Video

A Powerful Solar Flare.webm

Credit: SOHO Consortium, LASCO, ESA, NASA Details: https://sohowww.nascom.nasa.gov/hotshots/2003_10_28/ Details: https://apod.nasa.gov/apod/ap031029.html Comments: http://asterisk.apod.com/discuss_apod.php?date=180902

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Atmospheric erosion at Venus in the HYB simulation.webm

Космос · Video

Atmospheric erosion at Venus in the HYB simulation.webm

Escaping planetary atomic oxygen ions (O+) viewed by a virtual spacecraft orbiting around Venus in the HYB simulation. The colouring on two perpendicular planes and on a spherical shell just above the planet give the density of oxygen ions in a logarithmic scale (red: high density; dark blue: low density). The density of white dots gives the density of the oxygen ions in 3-dimensional space. Note how the escaping oxygen ions form an ion tail behind the planet. (Animation by R. Jarvinen/FMI).

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Magnetic D component at the Earth's surface (AE Map) 1590-1990.webm

Космос · Video

Magnetic D component at the Earth's surface (AE Map) 1590-1990.webm

https://en.wikipedia.org/wiki/Geomagnetic_secular_variation Four centuries of geomagnetic secular variation from historical records Jackson, A., Jonkers, A. R. T. and Walker, M. R. Phil. Trans. Roy. Soc. A (2000) Vol. 358, pp957-990 Some of the data and modelling procedures were also described in the earlier papers: Time-dependent mapping of the magnetic field at the core-mantle boundary Bloxham, J. and Jackson, A. Journal of Geophysical Research Vol. 97, B13, pp.19537-19563 Geomagnetic Secular Variation Bloxham, J., Gubbins, D. and Jackson, A. Phil. Trans. Roy. Soc. A (1989) Vol. 329 pp415-502

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Mars Fleet and Comet Siding Spring.webm

Космос · Video

Mars Fleet and Comet Siding Spring.webm

Flying past comet Siding-Spring the Mars orbiting fleet is faded on while Siding Spring passes very close to Mars.

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Enrique Chaudet.jpg

Космос · Photo

Enrique Chaudet.jpg

Enrique Chaudet (8/12/1881 Francia - 29/6/1967 Córdoba, Argentina) empleado del Observatorio Nacional Argentino (hoy OAC) entre 1911 y 1930. Previo a su ingreso al observatorio de Córdoba, trabajó durante unos meses en el Observatorio de La Plata efectuando cálculos. Entre el 18 de febrero y 10 de agosto de 1911, a modo de colaboración, realiza tareas en la estación de Oncativo del observatorio platense. En 1912 actúa como computador y posteriormente es designado astrónomo de tercera. Realizando numerosos trabajos relacionados con observaciones de cometas y eclipses solares. Tiene a su cargo la expedición a Venezuela para observar el eclipse de 1916. Realiza observaciones con el círculo meridiano y para la Córdoba Durchmusterung. Renuncia a su puesto el 12 de diciembre de 1930, como consecuencia de las desinteligencias que tiene con el director Charles Perrine. Pasa a trabajar en la Oficina Meteorológica.

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