Chris and Rob talk about the biggest space news story of the week: the landing of Philae on Comet 67P. Chris was at Mission Control for the whole event - landing, bouncing, shirts, and all.
Chris and Rob talk about the SpaceShipTwo accident and the Antares one too. Not a good week for human spaceflight. Theres also electrolysis with pencils, and a not-rainbow.
Chris and Grant discuss the Comet that flew by Mars this week, strange organic molecules in Titan's atmosphere, and the Rosetta mission, naturally. There is no Rob, but console yourself knowing that he typed this for you.
Rob and Chris talk about Uranus, moons, and nuclear fusion. May be theres dark matter, maybe theres not - and what angle should canned whipped cream be sprayed at?
Rob and Chris talk about todays Planck results and their impact on BICEP2s measurement of cosmic inflation. Theres also a new orbiter around Mars, the Ig Nobles, and a way to spy on penguins for science.
Chris returns to Oxford and he and Rob discuss Rosetta, Geckos and the distance to the Pleiades. Theres parallax, plankton and proton-proton chains in this weeks episode.
Rob is joined by Grant for conversation about comets, GPS, and false memories in mice. We discuss the Arecibo message and the shape of the Ring Nebula.