Today was not your average Monday. For the first time since 1918, a solar eclipse crossed the entire United States from west to east. While it was a bit cloudy out, those with eclipse glasses (the Adler Planetarium distributed thousands of 'em) could still see the moon covering up a large portion of the sun. In the Loop, the sun-gazing action centered around Daley Plaza; another major hot spot was the Adler Planetarium, which hosted a huge block party to celebrate this celestial happening. Check out our favorite Instagrams of this historic event in Chicago.
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