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Gaia's 'eyes' and 'brain' pass tests
Martes, 23 Noviembre, 2010 Astronomía

Another milestone in the development of ESA's Gaia spacecraft has been passed with the successful conclusion of two parallel test programmes during October. These tests demonstrated that Gaia's focal plane assembly (FPA) - the 'eyes' of the spacecraft - is structurally and functionally fit for...

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El Sol roba cometas a otras estrellas
Martes, 23 Noviembre, 2010 Astronomía

La próxima vez que se emocione al ver un cometa centelleando en el cielo nocturno, considere lo siguiente: lo que está experimentando es un placer robado. Usted está disfrutando del espectáculo a expensas de una estrella distante. ,

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Astronomers over the moon about Apertif!
Lunes, 22 Noviembre, 2010 Astronomía

Astronomers at ASTRON have, by simultaneously detecting the radio signals of two widely separated pulsars, demonstrated the feasibility of a new receiver technology that will have a great impact on radio astronomy. This achievement is part of the development of a new wide-field radio camera,...

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Making stars: Studies show how cosmic dust and gas shape galaxy evolution
Lunes, 22 Noviembre, 2010 Astronomía

Astronomers find cosmic dust annoying when it blocks their view of the heavens, but without it the universe would be devoid of stars. Cosmic dust is the indispensable ingredient for making stars and for understanding how primordial diffuse gas clouds assemble themselves into full–blown galaxies.

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New evidence for supernova-driven galactic fountains in the Milky Way
Viernes, 19 Noviembre, 2010 Astronomía

Observing the X-ray-bright gas in the halo of the Milky Way, ESA's XMM-Newton has gathered new data which favour a process involving fountains of hot gas in our Galaxy. Such a scenario, with the gas flowing from the galactic disc into the halo where it then condenses into cooler clouds and...

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Why Do the Ionized Gas Clouds Stream Out from Galaxies?
Viernes, 19 Noviembre, 2010 Astronomía

Using the Subaru Prime Focus Camera (Suprime-Cam) in their observations of the Coma Cluster, researchers from the National Astronomical Observatory of Japan (NAOJ), Hiroshima University, the University of Tokyo, and other institutes have discovered 14 galaxies accompanied by extended, ionized...

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Descubren un planeta de otra galaxia
Jueves, 18 Noviembre, 2010 Astronomía

Canibalismo galáctico puso al alcance de los astrónomos un exoplaneta de origen extragaláctico. , Un exoplaneta orbitando una estrella que entró en nuestra Vía Láctea desde otra galaxia, fue detectado por un equipo europeo de astrónomos que emplearon el telescopio MPG/ESO de 2,2 metros en el...

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Hubble Captures New Life in an Ancient Galaxy
Jueves, 18 Noviembre, 2010 Astronomía

Elliptical galaxies were once thought to be aging star cities whose star-making heyday was billions of years ago. , But new observations with NASA's Hubble Space Telescope are helping to show that elliptical galaxies still have some youthful vigor left, thanks to encounters with smaller galaxies.

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NASA Spacecraft Sees Cosmic Snow Storm During Comet Encounter
Jueves, 18 Noviembre, 2010 Astronomía

The EPOXI mission's recent encounter with comet Hartley 2 provided the first images clear enough for scientists to link jets of dust and gas with specific surface features. NASA and other scientists have begun to analyze the images. , The EPOXI spacecraft revealed a cometary snow storm created by...

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Spitzer Reveals a Buried Explosion Sparked by a Galactic Train Wreck
Jueves, 18 Noviembre, 2010 Astronomía

Astronomers using NASA's Spitzer Space Telescope have found a stunning burst of star formation that beams out as much infrared light as an entire galaxy. The collision of two spiral galaxies has triggered this explosion, which is cloaked by dust that renders its stars nearly invisible in other...

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Astronomers Discover Merging Star Systems that Might Explode
Martes, 16 Noviembre, 2010 Astronomía

Sometimes when you're looking for one thing, you find something completely different and unexpected. In the scientific endeavor, such serendipity can lead to new discoveries. Today, researchers who found the first hypervelocity stars escaping the Milky Way announced that their search also turned up...

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Carnegie Cosmologist Allan Sandage Dies
Martes, 16 Noviembre, 2010 Astronomía

Allan R. Sandage, Edwin Hubble's former observing assistant and one of the most prominent astronomers of the last century, died November 13, 2010, at home in San Gabriel, California, of pancreatic cancer. ,

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Contacto pelícano
Martes, 16 Noviembre, 2010 Astronomía

Teatro de marionetas · 16/11/2010 - 24/11/2010. , Un teatro astronómico de marionetas. La Guiñoleta es un proyecto de divulgación científica, con el que pretendemos recuperar el espíritu itinerante de “La Barraca” de García Lorca o de los titiriteros y cines ambulantes, para llevar la ciencia y la...

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NASA'S Chandra Finds Youngest Nearby Black Hole
Lunes, 15 Noviembre, 2010 Astronomía

Astronomers using NASA's Chandra X-ray Observatory have found evidence of the youngest black hole known to exist in our cosmic neighborhood. The 30-year-old black hole provides a unique opportunity to watch this type of object develop from infancy. , The black hole could help scientists better...

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Luces y sombras en el Lago del Fénix
Lunes, 15 Noviembre, 2010 Astronomía

Siempre decimos que no se debe juzgar un libro por su tapa pero, si hablamos de planetas, la primera impresión sí que cuenta. Nuevas imágenes demuestran que los contrastes de luces y sombras en la región del Phoenicis Lacus de Marte son en realidad un complejo sistema de fallas tectónicas. ,

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