Over the next two weeks, we will have a chance to see a once-in-a-lifetime scene in the night sky. The Green Comet will pass within 26 million miles of the planet, and will not return again for tens of thousands of years. John Howell speaks with Michelle Nichols, Director of Public Observing at the Adler Planetarium, about this special comet.

<p>Over the next two weeks, we will have a chance to see a once-in-a-lifetime scene in the night sky. The Green Comet will pass within 26 million miles of the planet, and will not return again for tens of thousands of years. John Howell speaks with Michelle Nichols, Director of Public Observing at the Adler Planetarium, about this special comet.</p>

John Howell is a veteran Chicago radio host, avid golfer, and music aficionado who breaks down the news of the day with local tastemakers and newsmakers from 4pm-7pm weekdays on 890 WLS-AM. A voice of reason, John examines the biggest stories through a Chicago lens and shares them with a nuanced delivery.

<p>John Howell is a veteran Chicago radio host, avid golfer, and music aficionado who breaks down the news of the day with local tastemakers and newsmakers from 4pm-7pm weekdays on 890 WLS-AM. A voice of reason, John examines the biggest stories through a Chicago lens and shares them with a nuanced delivery.</p>

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