In the eleventh episode, Exocast-11b:

• Hannah covers all the incredible news about the Trappist-1 system, talking us through the discovery of seven new earth-sized worlds around this nearby ultra-cool dwarf.
• Andrew talks about the philosophy of exoplanets, from the ancients, through the dark ages, and into the modern era.
• And Hugh sits in at the exocast newsdesk to cover the release of 60,000 HIRES RVs, new transit-hunting surveys MASCARA and BRing, the star HAT-P-2 beating to the rhythm of its planet, and more controversy over how to define a planet. 
• And Andrew choose the elusive TRAPPIST-1 h, the coldest of the seven dwarfs, as our adopted planet of the week.