EarthSky 22: A planet for Alpha Centauri

Lead Producer and Host: Mike Brennan

ES 22 Producers: Deborah Byrd, Emily Howard, Jorge Salazar

Science news of the week:

New prostate cancer treatment using radioactive gold nanoparticles found safe for dogs

Artist’s concept of Alpha Centauri A and B, plus newly discovered planet

A planet with about the mass of the Earth orbiting a star in the Alpha Centauri system

An organic solar cell that generates a sufficiently high voltage to recharge a lithium-ion battery directly, without the need to connect multiple individual cells in series.

September 2012 tied with 2005 as the warmest September ever recorded globally since record keeping began in 1880.

Felix Baumgartner has successfully jumped from a capsule more than 24 miles above Earth, becoming the first man to break the speed of sound in freefall

Song of the week:

Jesse Wood‘s “Danger on the Dancefloor” off his upcoming full-length album Get your Burdens Lifted.

This week’s featured stories:

Planet for Alpha Centauri Deborah Byrd and Michael Brennan talk about the discovery of an Earth-sized planet in the Alpha Centauri system, only 4.3 light-years away.

Cowboy and Indian‘s “The Dream”

Orionid meteor seen on October 20, 2012 by EarthSky Facebook friend Shane Carter. Thank you, Shane!

Orionid Meteor Shower Deborah and Michael talk about the best time to watch the meteor shower on the weekend of October 20-21.

Thanks for listening in to your 22 minutes of science and music!

This week’s musical contributors:

Jesse Woods

Sleep Good

The Black and White Years

Cowboy and Indian

One Hundred Flowers

October 20, 2012

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