Podcast for 6 July 2012
OUR SOLAR SYSTEM - Scientists discover organic carbon in meteorites from Mars and take a new look at …
Space Exploration
Martian Carbon
Researchers have discovered organic carbon in meteorites from Mars.
Vesta the Protoplanet
The asteroid belt between Mars and Jupiter contains an embryonic planet in arrested development.
Runaway Planets
Under some circumstances, planets could be thrown out of the galaxy at tremendous speed.
Podcast for 27 April 2012
Why some planets are on the run. How to harpoon a comet. And counting penguins from space.
Comet Harpoon
NASA scientists are testing a harpoon that could bring back samples from comets.
Comet Harpoon
NASA scientists are testing a harpoon that could bring back samples from comets.
Podcast for 10 February 2012
Are cyclones and earthquakes related? Why recent bad winters may be the result of global warming. …
The Sun’s Temperature
A listener asks: How hot is the surface of the sun?