Informações:
Sinopsis
Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of astronomy and space exploration. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American . To view all of our archived podcasts please go to www.scientificamerican.com/podcast
Episodios
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Tour Kennedy Space Center on Google Street View
13/08/2012 Duración: 01minMore than 6,000 new images of Kennedy Space Center have recently been added to Google Street View. John Matson reports
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Curiosity Rover Lands Safely on Mars
06/08/2012 Duración: 01minAfter successfully completing its complex series of landing maneuvers, the Curiosity rover is on the Martian surface and ready to begin exploration. John Matson reports
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Scopes See Exoplanets and Violent Astrophysics
31/07/2012 Duración: 01minPalomar Observatory's Project 1640 on the Hale Telescope allows astronomers to directly observe exoplanets, whereas the gamma-ray sensitive HESS 2 in Namibia tracks violent astrophysical events such as supernovae and flaring black holes. John Matson reports
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Pioneer Spacecraft Warmth Takes Heat off Relativity
23/07/2012 Duración: 01minThe tiny slowing of the two Pioneer spacecraft, known as the Pioneer anomaly and considered by some to challenge general relativity, is probably due to the heat produced by electronics and radioactive decay. John Matson reports
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Mars Rover Prepares for 7 Minutes of Terror
17/07/2012 Duración: 01minThe Curiosity rover is set to begin exploring Mars on August 6. But first it has to land. John Matson reports
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Dark Matter Bridges Galaxy Clusters
09/07/2012 Duración: 01minGravitational lensing shows that two galaxy clusters are connected by a filament of dark matter. John Matson reports
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Nonprofit Wants to Launch Asteroid-Spotter
02/07/2012 Duración: 01minThe B612 Foundation wants to put a telescope in orbit around the sun to look for asteroids that might hit Earth. John Matson reports
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Magnetic Tornadoes May Heat Solar Corona
27/06/2012 Duración: 01minThe sun's outer atmosphere, or corona, is much hotter than the surface. Giant magnetic tornadoes may be behind the heat transfer. John Matson reports
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Super-Earth Exoplanets Could Be Better for Life
20/06/2012 Duración: 01minDimitar Sasselov, director of Harvard's Origins of Life Initiative, explains how rocky exoplanets larger than Earth could have greater potential for life than Earth did. Steve Mirsky reports
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Astronomers Seek Biggest Stars
11/06/2012 Duración: 01minSeveral nearby star clusters could harbor incredibly huge stars, with masses of up to 600 suns. John Matson reports
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SpaceX Dragon Returns to Earth from ISS
31/05/2012 Duración: 01minThe first commercial visitor to the ISS splashed down successfully in the Pacific after a supply run. John Matson reports
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SpaceX Private Vessel Reaches ISS
25/05/2012 Duración: 01minThe International Space Station received its first commercial visitor with the arrival of the SpaceX Dragon resupply capsule. John Matson reports
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Annular Eclipse Hits U.S. Sunday
19/05/2012 Duración: 01minResidents of western states will be in position to see the ring of fire of an annular eclipse on May 20th. John Matson reports
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Astronomers Detect Smallish Exoplanet's Infrared Glow
14/05/2012 Duración: 01minA space-based telescope picked up faint thermal radiation from a "super-Earth" planet 40 light-years away. John Matson reports
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Zeppelin Searches for California Meteorite
08/05/2012 Duración: 01minScientists are using a zeppelin to do a slow search for signs of fragments left by the April 22nd Sutter's Mill meteorite. John Matson reports
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Earth Was Longtime Asteroid Punching Bag
01/05/2012 Duración: 01minDozens of asteroid impacts at least as bad as the dinosaur killer occurred long after such impacts were previously thought to have petered out. John Matson reports
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Gamma-Ray Bursts Found Innocent in Ray Case
24/04/2012 Duración: 01minGamma-ray bursts can't be the source of ultrahigh energy cosmic rays that reach Earth. John Matson reports
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Ballooning Star Split Planet in Two
16/04/2012 Duración: 01minA recently discovered pair of exoplanets may be the wreckage of one formerly giant planet. John Matson reports
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Space Shuttles Head for Final Destinations
09/04/2012 Duración: 01minStarting with Discovery, the decommissioned space shuttle fleet will go on display at museums around the country. John Matson reports
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Supernova Turned Star Inside-Out
02/04/2012 Duración: 01minWhen the star Cassiopeia A exploded, nearly all the iron from the core was expelled to the outer regions of the supernova. John Matson reports