Skip to Main Content
Chicago Tonight

How Satellites Can Detect and Protect Earth From Asteroids

How a space-based sentry can help detect asteroids that will pass near Earth.

Aired 09/10/2019 | Rating NR

Chicago Tonight

How Satellites Can Detect and Protect Earth From Asteroids

Clip: 9/10/2019 | 6m 17sVideo has Closed Captions

How a space-based sentry can help detect asteroids that will pass near Earth.

Adler Planetarium astronomer Mark Hammergren explains how a space-based sentry can help detect asteroids that will pass near Earth.

Aired 09/10/2019 | Rating NR

Problems with Closed Captions? Closed Captioning Feedback

Problems with Closed Captions? Closed Captioning Feedback

Chicago Tonight is a local public television program presented by WTTW

WTTW video streaming support provided by members and sponsors.

After Nearly 100 Years, Stock Yard Kilty Band Marches On

Video has Closed Captions

We go for a look, and a listen, as the band competes at a Wisconsin festival. (3m 47s)

‘Caution Freedom’ Shines Light on Provocative Artwork

Video has Closed Captions

Artwork once under attack by the Russian government is now on view in Chicago. (3m 21s)

Congestion Charge a Tough Sell for ‘Overtaxed’ Chicagoans

Video has Closed Captions

Talk of a possible city congestion tax is heating up. (10m 24s)

Corporations Balk at Plan to Reinstate Corporate Head Tax

Video has Closed Captions

A progressive coalition looks to corporations to close Chicago’s budget gap. (5m 20s)

Crain’s Headlines: McDonald’s Bets on Drive-Thru Automation

Video has Closed Captions

McDonald’s customers might soon be giving food orders via voice recognition technology. (2m 1s)

Vista Tower’s Engineering Feats: Blair Kamin Explains

Video has Closed Captions

The Chicago Tribune architecture critic spills the engineering secrets behind Vista Tower. (9m 24s)

Why Fewer Kids are Playing High School Football in Illinois

Video has Closed Captions

High school football participation in Illinois is at its lowest point in decades. (8m 48s)

Providing Support for PBS.org

Learn Moreabout PBS online sponsorship

Support for PBS provided by:

Chicago Tonight is a local public television program presented by WTTW

WTTW video streaming support provided by members and sponsors.

Sign in with Email

or

Continue with GoogleContinue with FacebookContinue with Apple

By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use.

Are you sure you want to remove null from My List?