asteroid Ex-Astronaut Ed Lu On Deflecting Asteroids And Building The Private Space Business By Courtney Collins & Rick Holter • Sep 19, 2014 Adelina Sun / KERA News The private space business is booming, and Texas is a primary launch pad. For this week’s Friday Conversation, KERA’s vice president of news, Rick Holter, sits down with Ed Lu – a longtime astronaut who now has his own space company. Neil deGrasse Tyson: When It Comes To Asteroids, Be Afraid. Be (A Tiny Bit) Afraid. By Stephen Becker • May 20, 2014 Shutterstock In 2013, a meteor exploded over the Ural Mountains in Russia (you might remember the dashcam footage and the seemingly non-plussed Russians who captured it). Which begs the question: What else flying around in the cosmos might come into contact with Earth? And who better to deliver the answer than Neil deGrasse Tyson?