Help Shape the Future of Space Exploration

Join The Planetary Society Now 

Join our eNewsletter for updates & action alerts

   Please leave this field empty
Multimedia IconMultimedia

Journey to the Center of the Earth!

Use when no other thumbnail exists

Air Date: 05/19/2003
Run Time: 0:30:06

Listen to the full show:

Or Download mp3

Guests:

Topics:

California Institute of Technology planetary scientist David Stevenson has just published 'a modest proposal' for sending a probe to the Earth's core. Join us for a fascinating discussion of what we know and don't know about planetary and moon interiors. Emily Lakdawalla throws Earth rocks at our solar system neighbors, and Bruce is seeing double in this week's 'What's Up?'

Comments:

No trivia contest spoilers please!

Leave a Comment:

You must be logged in to submit a comment. Log in now.
Facebook Twitter Email RSS AddThis

Planetary Radio Search

Support our Asteroid Hunters

They are Watching the Skies for You!

Our researchers, worldwide, do absolutely critical work.

Asteroid 2012DA14 was a close one.
It missed us. But there are more out there.

I want to help

Fly to an Asteroid!

Send your name and message on Hayabusa-2.

Send your name

Join the New Millennium Committee

Let’s invent the future together!

Become a Member

Connect With Us

Facebook! Twitter! Google+ and more…
Continue the conversation with our online community!

facebook.png twitter.png rss.png youtube.png flickr.png googleplus.png