Sunday, September 17, 2017

BOOK REVIEW: exoplanets by Michael Summers and James Trefil

Time for some nonfiction. My son, in college, wants to eventually study exoplanets, so when I saw this book in the library, I thought: why not?

Exoplanets are planets outside our solar system. Apparently, in the last few years, astronomers and physicists have been discovering new planets at a blistering pace. It isn’t surprising that there are scads of these planets or that their diversity is staggering. What I found more surprising was that the first one was discovered in 1992–which is really just yesterday. I feel like I’ve known all my life that out there in the vast infinity of space there are gazillions of planets. (We watched Star Trek, after all.) But what we all knew wasn’t proven with what was "seen" (in the weird mathematical way that physicists see things) until the first exoplanetary system was discovered in 1992.

exoplanets by Michael Summers and James Trefil is a readable, fairly simple overview of the exploding field of exoplanet research. It explains how recent advances have made study of deep space more feasible, leading to the necessary abandonment of previous "chauvinisms" or at least acceptance of new paradigms. Again, for someone whose view of planetary science was shaped by science fiction, none of these new discoveries seem so revolutionary. But maybe the realization that Diamond Worlds, Ice Worlds, Rogue Planets, and even, possibly, non-carbon-based life forms, are not fiction is what make this such a fascinating field of study.

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