A Tiny Explorer Called Twinkle

A small but talented UK team is building Twinkle, a small spacecraft with a big mission—exploring the atmospheres of planets orbiting other stars. Emily Lakdawalla has posted her annual review of children’s books about space. Listen to win a signed copy of Randall Munroe’s “Thinking Big.” Bill Nye talks about good news for would-be asteroid miners, while Bruce Betts and Mat Kaplan ponder first words on Mars in What’s Up. More show info is here:http://www.planetary.org/multimedia/planetary-radio/show/2015/1130-twinkle_exoplanet.html