Whether he's explaining the significance of cosmic plasma (the electrified gaseous substance makes up more than 99.99 percent of the universe's visible matter) or noting Hollywood gaffes (the obviously phony night sky in Titanic marred an otherwise well-researched film), Neil deGrasse Tyson proves that no topic is too big or too small for his scrutiny. In Death by Black Hole, his collection of 40-plus essays for Natural History, the astrophysicist and director of NYC's famed Hayden Planetarium tackles an impressive range of subjects (antimatter, intelligent design, our ''white'' sun) with great humor, humility, and most important humanity.


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