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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Planetary Scientists Hope to Bring Back Mars Moondust
07/11/2011 Duración: 01minThe Phobos-Grunt mission, which could launch November 8th, will try to grab some Phobos soil and bring it back to Earth. John Matson reports
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Asteroid Plans Close Earth Flyby
01/11/2011 Duración: 01minOn November 8th an asteroid will pass Earth within the moon's orbit, offering a rare opportunity for study. John Matson reports
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Soyuz Makes Launch from South American ESA Site
24/10/2011 Duración: 01minA Soyuz rocket carried into space components for a European GPS system--but the bigger news was the launch site, the European Space Agency home in French Guiana. John Matson reports
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Did Saturn's Moon Iapetus Once Have Its Own Moon?
17/10/2011 Duración: 01minA sub-satellite of the Saturnian moon would explain two of the most puzzling features of Iapetus. John Matson reports
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Fewer Big Asteroids Close In on Earth
03/10/2011 Duración: 01minThe WISE spacecraft's census of near-Earth asteroids lowers the population of the big, bad ones. John Matson reports
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Chinese Space Program Takes Giant Leap
26/09/2011 Duración: 01minChina launches the unmanned Tiangong 1 later this week, setting up opportunities for docking and long-duration stays. John Matson reports
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Solar System Likely Once Had Another Gas-Giant Planet
19/09/2011 Duración: 01minTo evolve into our current solar system, the original version probably had a fifth gas giant, computer simulations indicate. John Matson reports
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Satellite Set to Make Big Splash or Thud
12/09/2011 Duración: 01minNASA's Upper Atmosphere Research Satellite will fall out of orbit soon, with large pieces perhaps reaching Earth's surface, according to NASA's Nick Johnson at a telephone press conference. John Matson reports
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NASA Hopes Hard Sci-Fi Will Inspire Future Space Force
05/09/2011 Duración: 01minNASA will teach writers about space science and promote sci-fi novels in the hope of inspiring young readers to learn science and math and become part of the space workforce. John Matson reports
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Failed Star Found in the Neighborhood
29/08/2011 Duración: 01minNASA's WISE satellite has found a Y dwarf star, cool enough to touch, that is the hub of the seventh closest star system to us. John Matson reports
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Exoplanet Looks Potentially Lively
22/08/2011 Duración: 01minNewly discovered exoplanet HD 85512 b could be hospitable to life. John Matson reports
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Opportunity Knocks at Martian Crater
16/08/2011 Duración: 01minSeven years into its three-month mission, the Mars rover Opportunity reaches Endeavour Crater, a possible geologic treasure trove. John Matson reports
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Kuiper Belt Gets New Notches
08/08/2011 Duración: 01minA telescopic sky survey finds 14 previously unknown objects in and around the Kuiper Belt. John Matson reports
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Jupiter Mission Counts Down
01/08/2011 Duración: 01minThe space shuttle era is over, but a mission to Jupiter is next up on the launch pad. John Matson reports
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New Moon Rises over Pluto
25/07/2011 Duración: 01minA Hubble telescope search for dust rings around Pluto turned up a previously unknown moon. John Matson reports
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Kepler Searches for Habitable Planets, Part 2
18/07/2011 Duración: 01minNASA's Kepler mission's principal investigator, Bill Borucki, talks about the search for exoplanets that might be habitable. Part 2 of 2. John Matson reports
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Kepler Searches for Planets in Habitable Zones
11/07/2011 Duración: 01minNASA's Kepler mission's principal investigator, Bill Borucki, talks about the search for exoplanets that might be in habitable zones around their stars. John Matson reports
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Space Station Gets Close Wake-up Call
04/07/2011 Duración: 01minOrbital debris within 250 meters of the International Space station is a warning to clean up the neighborhood before a tragic impact. John Matson reports
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Planets with Stabilizing Moons May Be Common
27/06/2011 Duración: 01minComputer simulations show that about 10 percent of planets could have a massive moon that helps to stabilize the planetary tilt. John Matson reports
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Voyager 1 May Have Reached the Heliopause
20/06/2011 Duración: 01minAfter 34 years in space, 17 billion miles from Earth, Voyager 1 has reached or is about to reach the heliopause. John Matson reports