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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Comet Spacecraft Wakes from Slumber
23/01/2014 Duración: 01minOn January 20th the European Space Agency woke its Rosetta probe after two-and-a-half years in hibernation, in preparation for its final approach to a comet
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Astronomers Cluster at Massive Meeting Conjunction
15/01/2014 Duración: 01minMore than 3,000 astronomers assembled last week for the 223rd meeting of the American Astronomical Society. Clara Moskowitz reports
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Weird Supernovae Spin Faster Than Blender Blades
30/12/2013 Duración: 01minTwo recently found supernovae are much farther away and brighter than almost any star explosion ever seen, perhaps because they wound up as rapidly spinning magnetars. Clara Moskowitz reports
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Asteroid-Hunting Satellite Returns from Dead
23/12/2013 Duración: 01minThe Wide-Field Infrared Survey Explorer satellite that went into hibernation in 2011 has been brought to life as an asteroid lookout. Clara Moskowitz reports
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Preadolescent Astronomer Spots Supernova
17/12/2013 Duración: 01minTen-year-old Nathan Gray of Nova Scotia officially becomes the youngest person ever to identify a new supernova. Clara Moskowitz reports
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Say I Saw ISON
25/11/2013 Duración: 01minDon't miss viewing Comet ISON, visible in the east before dawn, with a tail now as long as the bowl of the Big Dipper. Clara Moskowitz reports
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India Targets Red Planet
18/11/2013 Duración: 01minIndia aims to become the fourth entity to send a mission to Mars with its launch of the Mars Orbiter Mission, aka Mangalyaan. Clara Moskowitz reports.
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Astronaut Sounds Alarm On Asteroids
04/11/2013 Duración: 01minAt a symposium on the danger of asteroid impacts, Apollo astronaut Rusty Schweickart said it's time for the planet to develop a strategy should a big rock come our way. Clara Moskowitz reports.
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System Has Multiple Planets Off Kilter
21/10/2013 Duración: 01minTwo of the three known planets around the star Kepler 56 orbit their host out of line with the star's equator. Clara Moskowitz reports.
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Voyager 1 Is Officially out There
16/09/2013 Duración: 01minVoyager 1's own record of the plasma vibrations in its vicinity conclusively show that it has reached the space between the stars. John Matson reports
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Home PCs Help Pinpoint Pulsars
04/09/2013 Duración: 01minThe distributed computing project Einstein@Home uses home computers to search through years of telescope data to find pulsars. John Matson reports.
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Sky Map Satellite Becomes Asteroid Hunter
26/08/2013 Duración: 01minNASA's WISE satellite surveyed the universe before being mothballed in 2011. Now it's being resurrected as a near-Earth asteroid scanner.
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Kepler Exoplanet Hunter Limps Into Sunset
21/08/2013 Duración: 01minAlthough the Kepler space telescope's stabilization system is beyond repair, it has produced reams of data that have yet to be fully searched for exoplanets. John Matson reports.
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Solar Magnetic Field Flip Poses No Problem
15/08/2013 Duración: 01minThe only issue related to the flip of the sun's magnetic field is that it corresponds with the peak of the sunspot cycle, when the sun is prone to launch flares and bursts of plasma into space that can effect satellites and power grids. John Matson reports.
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Curiosity Celebrates an Earth Year on Mars
06/08/2013 Duración: 01minSince it landed on Mars on August 6, 2012, the Curiosity rover has done photography, geology and roamed a good kilometer. John Matson reports
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Milky Way Black Hole Had Hungry Past
29/07/2013 Duración: 01minA huge cloud of plasma south of our galactic black hole could be evidence of a past feeding frenzy. John Matson reports
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Neutrino Identity Switch Confirmed
22/07/2013 Duración: 01minTheory said that muon neutrinos could transform into electron neutrinos. A neutrino detector confirms this by catching many more electron neutrinos than it should have otherwise. John Matson reports
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Giant Black Hole May Be Fugitive
15/07/2013 Duración: 01minThe black hole in galaxy NGC 1277 is way more massive than usual. Astronomers hypothesize it was ejected from another galaxy before settling in its new home. John Matson reports
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Flare Star Goes Wild in Minutes
08/07/2013 Duración: 01minThe star WX UMa went from 5,000 degrees Fahrenheit to 30,000 degrees F in less than three minutes. Chris Crockett reports
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Frigid Space Speeds Chemical Reaction
01/07/2013 Duración: 01minA reaction between two common molecules occurs much faster at frosty interstellar temperatures than on our toasty Earth due to a cold-stabilized transition and quantum tunneling. John Matson reports