Earth Isn’t as Special as Astronomers (and Other Earthlings) Think

We have more to learn from planetary systems that are starkly different from our own.

April 21, 2017 5:35 p.m. ET

We live in a “me, me, me” world. Interest in the self, and its assorted extensions, appears to trump all else. Smug politicians and overhyped celebrities are not the only ones to suffer from this common affliction. Astronomers, who might be expected to develop a broader—humbler?—perspective on account of their majestic subject matter, tend to be self-centered in their own way.

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