Chicago gets a rare light show: What made the aurora so spectacular?

Update: 2025-11-14

Description

Michelle Nichols, Director of Public Observing, The Adler Planetarium, joins John Williams to explain why Chicago recently saw one of the most vivid Aurora Borealis displays in decades. Michelle breaks down how solar flares and coronal mass ejections trigger auroras, why this event reached as far south as El Salvador, and why your phone can detect colors [...]

Comments

In Channel

On the Map: 'Twas the Night Before Christmas in Chicago

2025-11-15--:--

On the Map: Dick Clark’s New Year’s Rockin’ Eve will broadcast its Central Time countdown LIVE from downtown Chicago

2025-11-15--:--

On the Map: Marshall Field's Walnut Room, Macy’s Windows, Santa, Frangos and more

2025-11-15--:--

Recap: Northwestern 81 - DePaul 79 - 11/14/25

2025-11-15--:--

Broadcast Museum unveils Johnny Carson centennial exhibit, ‘Evolution of Late Night,’ Jeannie, Bozo and The Loop

2025-11-15--:--

WGN-TV’s Tom Skilling: Technology that powers Chicago’s Doppler radar, clean energy solutions for rising electrical demand

2025-11-15--:--

Dan Hampton: This is a winnable game

2025-11-14--:--

USDA head says 'everyone' on SNAP will now have to reapply

2025-11-14--:--