On April 11th, a large solar flare erupted-- not as big as an X-class flare, but the most powerful so far of 2013. NASA's Solar Dynamics Observatory captured the event in detail (pictured). More at Space.com.
In the first half of Friday's show, guest host Jimmy Church (email) welcomed theoretical archaeo-astronomer Walter Cruttenden, who discussed the recent scientific discoveries of a possible new planet as well as "gravity waves." In the second half, Jimmy welcomed Open Lines callers.