RT @ESA_Rosetta: Preparing for my #CometLanding in 6 days… That’s how @Philae2014 got ready for his own #OnceUponATime youtu.be/AvkPFXdpOQQ #67Pmemories
RT @ESA_Rosetta: Preparing for my #CometLanding in 6 days… That’s how @Philae2014 got ready for his own #OnceUponATime youtu.be/AvkPFXdpOQQ #67Pmemories