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 11.6.2009 -
A Tale of Planetary Woe
Long ago, something calamitous happened to Mars, transforming a hospitable world into the apparently lifeless desert we see today. Many scientists believe the Red Planet lost most of its atmosphere, but how? A new NASA mission named MAVEN is specifically designed to answer that question.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 11.3.2009 -
Hidden Territory on Mercury Revealed
The MESSENGER spacecraft's third flyby of the planet Mercury has given scientists an almost complete view of the planet's surface and revealed some dramatic changes in Mercury's comet-like tail.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.30.2009 -
A Mars Rover Named "Curiosity"
NASA's next Mars rover, a super-capable robot named "Curiosity," will push Mars exploration to a new level.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.27.2009 -
The Sun's Sneaky Variability
It might not be obvious to the naked eye, but the sun is a variable star. A sensor slated for launch onboard the Solar Dynamics Observatory will probe the sun's "sneaky variability" with better time and spectral resolution than ever before.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.23.2009 -
NASA Mission to Study the Moon's Fragile Atmosphere
NASA is planning a mission to study the Moon's fragile atmosphere--before it's too late.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.19.2009 -
The 2009 Orionid Meteor Shower
Caused by debris from Halley's Comet, the 2009 Orionid meteor shower peaks on Wednesday, Oct. 21st, and forecasters say it could be an unusually good show.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.15.2009 -
Giant Ribbon Discovered at the Edge of the Solar System
NASA's IBEX spacecraft has discovered a vast, glowing ribbon at the edge of the solar system. One mission scientist calls the discovery "shocking" and says theorists are "working like crazy" to explain the finding.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.15.2009 -
Lunar Lander Floats on Electric-blue Jets
How do you fly on a world with no atmosphere? Wings won't work and neither do propellers. The space agency is perfecting the art of "airless flying" using a prototype lunar lander at the Marshall Space Flight Center.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.7.2009 -
Giant Ring Discovered Around Saturn
Just when you thought every big thing in the Solar System had already been discovered, NASA's Spitzer Space Telescope has found an extraordinary new ring around Saturn.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.7.2009 -
Microwaving Water from Moondust
NASA scientists have figured out how to extract water from lunar soil. Their approach is as easy as using a microwave oven.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.6.2009 -
The Fall of the Maya: 'They Did it to Themselves'
Archeologists are using NASA satellites and supercomputers to crack the mystery of the ancient Maya. New findings suggest the Maya may have played a key role in their own downfall.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 10.5.2009 -
LCROSS Viewer's Guide
On Friday morning, Oct. 9th, you can watch a pair of spacecraft crash into the Moon with your own eyes. The purposeful impacts are the climax of NASA's LCROSS mission to unearth signs of water in lunar soil. Today's story tells how and where to look.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 9.29.2009 -
Cosmic Rays Hit Space Age High
NASA spacecraft are measuring record-high levels of cosmic rays--a side-effect of the deepest solar minimum in nearly a century. This development could have implications for the amount of shielding astronauts need to take when they explore deep space.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 9.24.2009 -
Water Molecules Found on the Moon
Using instruments on three separate spacecraft, scientists have discovered water molecules in the polar regions of the Moon.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 9.24.2009 -
Meteorite Impacts Expose Ice on Mars
Fresh meteorite impacts are exposing underground ice on Mars. NASA's Mars Reconnaissance Orbiter is beaming back must-see photos of the process at work.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 9.23.2009 -
MESSENGER Set for Final Flyby of Mercury
NASA's MESSENGER spacecraft is set to make its third and final flyby of the planet Mercury on Sept. 29th. The encounter is expected to produce hundreds of images of previously unseen terrain and confirm the strange elliptical shape of Mercury's equator.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 9.21.2009 -
School Kids Track LCROSS
Using a colossal radio telescope in the Mojave Desert, school kids around the world are helping NASA track the LCROSS spacecraft as it heads for a crash landing on the Moon.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 9.15.2009 -
In Search of Dark Asteroids (and Other Sneaky Things)
NASA is set to launch a sensitive new infrared telescope to seek out sneaky
things in the night sky -- among them, dark asteroids that could pose a threat to Earth.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 9.11.2009 -
NASA Selects Target Crater for Lunar Impact
NASA's Lunar Crater Observation and Sensing Satellite (LCROSS) is racing toward a double-impact on the moon at 7:30 am EDT on Oct. 9th. Today NASA announced exactly where the crash will take place.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
 9.9.2009 -
NASA Unveils First Images from Rejuvenated Hubble
Astronomers declared the Hubble Space Telescope a fully rejuvenated observatory with the release of observations from four of its six operating science instruments.
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Audio Podcast (.mp3 file)
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Audio Stream (.m3u file)
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Transcript (.htm file)
More Science@NASA stories are available in audio in our Story Archive
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