astrophysics http://iowapublicradio.org en From 1.8 Million Years Ago to Thousands of Light-Years Away http://iowapublicradio.org/post/18-million-years-ago-thousands-light-years-away <p>Today on River To River, host Ben Kieffer checks in with an astronomer here in Iowa, who has found something new while observing a solar system about 3,000 light years from Earth… A discovery that gives us insight on how alien solar systems are structured.</p><p>And, we look into the discovery of a 1.8-million-year-old human skull in Europe that has ignited debate on the origins of distinct species of ancient human relatives.</p> Mon, 21 Oct 2013 21:27:13 +0000 Ben Kieffer & Emily Woodbury 30902 at http://iowapublicradio.org From 1.8 Million Years Ago to Thousands of Light-Years Away All Things Cosmic, With Neil deGrasse Tyson http://iowapublicradio.org/post/all-things-cosmic-neil-degrasse-tyson <p>Asteroids, galaxies, aliens, and space travel...we cover it all on this edition of River to River. Renowned astrophysicist, Neil deGrasse Tyson, joins us to weigh in on all things cosmic.</p><p>He will be in Iowa on Monday, April 15, for a lecture at the Iowa Memorial Union in Iowa City. The lecture begins at 7:30 p.m. and is free and open to the public.</p><p></p> Thu, 11 Apr 2013 19:29:05 +0000 Ben Kieffer & Emily Woodbury 19069 at http://iowapublicradio.org All Things Cosmic, With Neil deGrasse Tyson