RT @chris_tibbs: The impact made on comet #67P created by @Philae2014‘s first touchdown #Rosetta #WakeUpPhilae http://t.co/bIzpG663IT
RT @chris_tibbs: The impact made on comet #67P created by @Philae2014‘s first touchdown #Rosetta #WakeUpPhilae http://t.co/bIzpG663IT