Astronomy magazine podcast: New exoplanet
Senior Editor Rich Talcott explains what the discovery of a new exoplanet means for the search for other Earths.
April 26, 2007
Artist's impression of the planetary system around the red dwarf Gliese 581. Using the instrument HARPS on the ESO 3.6m telescope, astronomers have uncovered 3 planets, all of relative low-mass: 5, 8 and 15 Earth masses. The five Earth-mass planet makes a full orbit around the star in 13 days, the other two in 5 and 84 days.
Photo by ESO
|April 26, 2007|
Astronomers have discovered the most earthlike planet outside our solar system to date, an exoplanet with a radius only 50% larger than the Earth and possibly having liquid water on its surface.
In this week's show, Rich Talcott tells you all we know about this new discovery.
After you listen, e-mail us here and let us know what you think.
To subscribe to our podcast, click here.