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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Triple Black Hole System Found in Distant Galaxy
01/07/2014 Duración: 01minA galaxy four billion light-years from us was has three supermassive black holes at its center, with two in a tight formation. Clara Moskowitz reports
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"Extremely Large Telescope" Breaks Ground
23/06/2014 Duración: 01minThe European Southern Observatory broke ground June 19th to build the world's largest telescope atop the Cerro Armazones mountain in Chile. Clara Moskowitz reports
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Seemingly Strange Solar Cycle May Be Sorta Normal
16/06/2014 Duración: 01minThe current solar maximum appears to be weak. But the few previously measured maxes could have been unusually strong. Clara Moskowitz reports
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Dark Matter Shell Saved Wannabe Galaxy
02/06/2014 Duración: 01minA failed dwarf galaxy called the Smith Cloud apparently survived an ancient collision with the Milky Way because of a protective dark matter cloak. Clara Moskowitz reports
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Pluto Bids to Get Back Planetary Status
27/05/2014 Duración: 01minPluto has at least five moons and an atmosphere—and now a new analysis places its diameter as bigger than its outer solar system rival, Eris
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Jupiter's Great Red Spot Now Just Pretty Good
22/05/2014 Duración: 01minJupiter's Great Red Spot, once estimated to be 41,000 kilometers across, is just 16,500 kilometers wide in the latest Hubble Space Telescope observations, and the shrinkage seems to be accelerating. Clara Moskowitz reports
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Oddball Eclipse Makes Star Brighter
15/05/2014 Duración: 01minWhen a white dwarf passes in front of its binary star system companion every 88 days, it acts like a lens to make the larger star appear brighter to us.
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Galaxy Gave Star Cluster the Boot
07/05/2014 Duración: 01minThe star cluster HVGC-1 had been part of the M87 galaxy, but now it's fleeing that galaxy at more than two million miles per hour. Clara Moskowitz reports
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Chilly, Chilly, Little Star
30/04/2014 Duración: 01minA brown dwarf only about three to 10 times Jupiter's mass couldn't get fusion going and now sits freezing in space, in the nearby galactic neighborhood. Clara Moskowitz reports
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Help ID Moon Craters from Your Couch
22/04/2014 Duración: 01minCitizen scientists have helped professional astronomers locate more than 500 million lunar craters by using an app called MoonMappers. Karen Hopkin reports
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Saltine-Sized Satellites Set for Space
13/04/2014 Duración: 01minMore than 100 tiny satellites are set to launch into space on April 14th, in a demonstration of a possible future inexpensive technology that could pave the way for the $1,000 satellite. Clara Moskowitz reports
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Absence (of Weight) Makes the Heart Grow Rounder
07/04/2014 Duración: 01minAfter prolonged periods in microgravity, astronauts' hearts became more spherical, according to scans done on the International Space Station. Sophie Bushwick reports
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Rings: They're Not Just for Planets Anymore
26/03/2014 Duración: 01minThe asteroidlike object Chariklo orbits between Saturn and Uranus and has been found to have its own set of rings. Clara Moskowitz reports
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Planet X Gets X'd Out
11/03/2014 Duración: 01minAn exhaustive search by NASA's Wide-Field Infrared Survey Explorer has found no hints of a theorized planet or dwarf star in our neck of the cosmic woods. Clara Moskowitz reports
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Giant Black Hole Spins at Half Light-Speed
05/03/2014 Duración: 01minThe half-the-speed-of-light spin of a giant black hole suggests it grew by digesting another black hole in a galaxy merger. Clara Moskowitz reports
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Moon-Smashing Meteorite Recorded by Astronomers
25/02/2014 Duración: 01minSpanish astronomers spotted a meteoroid impact at 61,000 kilometers per hour using a telescope network that automatically scans the moon. Clara Moskowitz reports
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Hubble Finds Possible Oldest Object Ever Seen
20/02/2014 Duración: 01minThe Hubble Telescope's new set of Frontier Fields images includes a galaxy some 13-billion light-years away, which makes it a candidate for the most distant object ever seen. Clara Moskowitz reports
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We Celebrate a Galilean Anniversary
13/02/2014 Duración: 01minGalileo—who, among many accomplishments, was first to use a telescope to discover moons around Jupiter—was born 450 years ago this week. Clara Moskowitz reports
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Wacky World Wobbles Wildly
05/02/2014 Duración: 01minExoplanet Kepler 413 b's tilt can vary by as much as 30 degrees over 11 years, leading to extremely erratic seasons. Clara Moskowitz reports
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Faraway Planets May Be Far Better for Life
31/01/2014 Duración: 01minAstronomers have come up with a shopping list of what a planet needs to support life, perhaps even better than our Earth does, making them "superhabitable." Michael Moyer reports