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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Martian Water Stuck in Minerals
26/03/2012 Duración: 02minSignificant amounts of water exist on Mars, sequestered within hydrated minerals and stored in the planet's crust. John Matson reports
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Mars Makes Movie Execs See Red
19/03/2012 Duración: 01minJohn Carter is the latest in a string of movies set on the Red Planet that have all wound up in the red, financially. John Matson reports
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"Man in the Moon" Facing Factors Figured
12/03/2012 Duración: 01minA new study explains why the odds favored the man-in-the-moon side to always face Earth. John Matson reports
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Dark Matter Clump Furrows Brows
05/03/2012 Duración: 01minDark matter doesn't usually collide much with itself or with ordinary matter, but it appears to be uncharacteristically clumping in the galaxy cluster A520. John Matson reports
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Mars May Still Be Quaking
27/02/2012 Duración: 01minRockfalls visible in orbiter images of Mars indicate that geologic activity occurred just a few million years ago and may be ongoing. John Matson reports
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John Glenn Orbited 50 Years Ago Today
20/02/2012 Duración: 01minOn February 20, 1962, John Glenn went to space, becoming the first American in orbit, and a national icon. John Matson reports
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Black Hole May Eat Asteroids
14/02/2012 Duración: 01minThe black hole at the center of Milky Way could be steadily feeding on a cloud of asteroids, producing frequent, small x-ray flares. John Matson reports
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Flame Dances on Board Space Station
06/02/2012 Duración: 01minThe Flame Extinguishment Experiment, or FLEX, on board the ISS allows researchers to study zero-gravity fire--and ways to fight it. John Matson reports
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Kepler Finds Multiple Exoplanets around Single Stars
30/01/2012 Duración: 01minThe Kepler spacecraft has found 26 previously unknown exoplanets orbiting 11 stars. John Matson reports
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Point Up and Click
23/01/2012 Duración: 01minThe 2012 Astronomy Photographer of the Year competition is now accepting entries. John Matson reports
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Binary Stars Have Plenty of Planets
12/01/2012 Duración: 01minNASA's Kepler spacecraft has found two binary star systems that each host a planet, implying that millions exist. John Matson reports
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GRAIL Mission May Find a Former Second Moon
09/01/2012 Duración: 01minThe twin GRAIL craft will map lunar gravity and could find evidence for the remains within the moon of a former second satellite. John Matson reports
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Leap Seconds May Disappear
02/01/2012 Duración: 01minThis month the International Telecommunication Union will consider a proposal to abolish leap seconds. John Matson reports
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Earth Usually Has Second Tiny, Temporary Moon
27/12/2011 Duración: 01minIrregular natural satellites, captured from the population of near-Earth asteroids, orbit Earth for a few months and move on. John Matson reports
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Another Billionaire Joins the Space Race
19/12/2011 Duración: 01minMicrosoft billionaire Paul Allen, via his new venture, Stratolaunch Systems, hopes to launch spacecraft from massive airplanes. John Matson reports
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Black Holes Dwarf the One in Milky Way
12/12/2011 Duración: 01minGalaxies NGC 3842 and NGC 4889 host black holes, each of which about 2,500 times the mass of the one at the center of the Milky Way. John Matson reports
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Kepler Finds Its First Planet in the Habitable Zone
05/12/2011 Duración: 01minNASA's Kepler telescope has discovered its first exoplanet that could be at temperatures allowing liquid water, a big hurdle for life. John Matson reports
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Curiosity Leaves Earth for Mars
28/11/2011 Duración: 01minThe newest Mars rover, Curiosity, dwarfs NASA's previous rovers in size and scientific prowess. John Matson reports
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Runaway Stars May Be Fleeing Bigger Bullies
21/11/2011 Duración: 01minA class of wandering stars called OB runaways may have been thrown from home by competing binary star systems that got too close. John Matson reports
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Bright Exoplanet Lighting Could Indicate Intelligent Life
15/11/2011 Duración: 01minNew telescopes could spot aliens on planets around distant stars, if they like their cities really brightly lit. John Matson reports