The newspapers, full of speculation on the precise timing of Hillary Clinton's exit, missed the big story of the week. Our galaxy—in which the Clintons and all other human beings are such insignificant motes—has a gigantic bar at its center from which the arms spin off like sparks from a Catherine Wheel. And, rather disturbingly, scientists also now suspect that they overcounted the number of spirals in the Milky Way. There are two, rather than four—which puts any argument about delegate counts into perspective. Click the thumb for a new picture of the near universe. Meanwhile, astronomers have discovered the first Earth-sized planet around another star.

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