Carl Sagan was one of the key popularisers of science in the twentieth century. ANDY FLEMING reviews the life of a remarkable astronomer, astrobiologist, NASA/JPL key figure and scientist who believed passionately about bringing scientific knowledge and scepticism to the general public. It's incredible to think that it's nearly fifteen years since the world lost a most remarkable astronomer, pioneer astrobiologist and populariser of science - Carl Sagan.
A son of Jewish immigrants to the...
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