November 9 is Carl Sagan’s birthday. Astronomer, physicist and science interpreter for the world, he created the first Cosmos series and inspired a generation to wonder about the cosmos inside and outside of our bodies. He was sometimes criticized by his colleagues for appearing on late night TV, writing books that the average person could understand and telling us that there are “billions and billions” of stars that might have life-supporting planets. As we probe deeper and deeper into the universe with ever more powerful telescopes, we are finding his insights more relevant than ever. It’s amazing how the wisdom of a scientist can live on well beyond the lifecycle of his work.
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