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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Fragments of Single Meteorite Show Different Chemistry
13/06/2011 Duración: 01minThe Tagish Lake meteorite fragments contain widely varying organic compounds, a sign that chemical reactions were taking place on board the body in space. John Matson reports
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Step Right Up and Guess the Star's Age
06/06/2011 Duración: 01minA database of stars with known ages and spin rates could let astronomers gauge more stars' ages and find the ones old enough to support planets that could have complex life. John Matson reports
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What's Flinging Comets Out of the Oort Cloud?
31/05/2011 Duración: 01minA planet-size object could be behind the odd departure of some comets from the Oort Cloud--and toward us. John Matson reports
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WiggleZ Project Confirms Dark Energy's Effects
23/05/2011 Duración: 01minA survey of 150,000 galaxies confirms predictions about dark energy, thought to be what's driving galaxies apart. John Matson reports
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Space Boat Could See Sea Near Saturn
16/05/2011 Duración: 01minAmong projects under consideration by NASA is one that would send a boat to the hydrocarbon sea on Saturn's moon Titan to check out its composition and chemistry. John Matson reports.
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Milky Way Should Have Much More Companionship
09/05/2011 Duración: 01minOur understanding of dark matter says the Milky Way should have many times more than its dozen or so small satellite galaxies. John Matson reports
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Comet Bops Past Neptune Cleanly
02/05/2011 Duración: 01minComet Hale-Bopp has been spotted beyond the orbit of Neptune, far enough from the sun to be without its dirty tail. John Matson reports
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Giant Energetic Bubbles Adorn the Milky Way
26/04/2011 Duración: 01minTwo 30,000 light-year-long blobs called Fermi bubbles have been discovered on either side of our galactic plane. John Matson reports