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Summary:IS THERE LIFE ON MARS? THIS WEEK'S QUEST TAKES HEATHER COUPER FROM AN OBSERVATORY IN ARIZONA - BUILT BY A BUSINESSMAN OBSESSED BY THE IDEA OF MARTIANS - TO A SECRET LOCATION IN ENGLAND WHERE SOCIOLOGISTS ARE CONSTRUCTING A "MARS BASE". ON THE WAY, HEATHER MEETS A BUNCH OF STUDENTS MAKING A PLASTIC INFLATABLE MARS ROVER, AND A SCIENTIST WHO ONCE THOUGHT THAT MARS MIGHT HARBOUR ICE-EATING PLANTS. NOW THAT THE VIKING SPACEPROBES HAVE SO THOROUGHLY SURVEYED MARS - AND TESTED ITS SOIL FOR LIFE - SUCH FANCIFUL SPECULATIONS SEEM DOOMED. OR ARE THERE PARTS OF MARS OUR PRESENT PROBES HAVEN'T REACHED?
Description:THE PLANETS IS A SERIES OF PROGRAMMES ABOUT THE SUN'S FAMILY - OUR LOCALNEIGHBOURHOOD IN SPACE. AIMED AT ANYONE OVER TEN,THE PROGRAMMES PUT EACHPLANET IN PERSPECTIVE - HISTORICALLY,CULTURALLY,AND SCIENTIFICALLY.