WAL THORNHILL: 2015 A Year of Surprises | Thunderbolts Podcast

2015 was a year of major surprises in the space sciences, and a year of remarkable triumphs for the Electric Universe. In today’s podcast, physicist Wal Thornhill offers his analysis of the top stories we’ve covered on Space News in 2015, including the ESA’s Rosetta comet mission, NASA’s New Horizons…