Solar Blast Erupts From the Sun

The largest flare on the sun since December of 2006 has erupted, sending up a large cloud of charged magnetic particles, which appeared to cover almost half of the solar surface. The National Weather Service Space Weather Prediction Center warns that this will likely lead to geomagnetic storm activity. Neil deGrasse Tyson speaks with us. deGrasse Tyson is an astrophysicist, director of the Hayden Planetarium at New York’s American Museum of Natural History, and host of NOVA scienceNOW, produced by our partner WGBH.