astronomy

Science and Technology
8:43 am
Sun April 13, 2014

Total Lunar Eclipse

Phases of a total lunar eclipse.
Credit AP

Iowans can join others across North America to view an astronomical phenomenon very early Tuesday morning.  Professor of Physics and Astronomy at the University of Iowa Steven Spangler says a total lunar eclipse will begin at one am and last for about an hour and half…

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River to River
4:27 pm
Mon October 21, 2013

From 1.8 Million Years Ago to Thousands of Light-Years Away

The Kepler-56 system
Daniel Huber/NASA's Ames Research Center

Today on River To River, host Ben Kieffer checks in with an astronomer here in Iowa, who has found something new while observing a solar system about 3,000 light years from Earth… A discovery that gives us insight on how alien solar systems are structured.

And, we look into the discovery of a 1.8-million-year-old human skull in Europe that has ignited debate on the origins of distinct species of ancient human relatives.

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River to River
3:07 pm
Tue September 17, 2013

Reaching Outer Limits

NASA Blueshift / flickr

It’s taken more than three decades for NASA’s Voyager 1 to travel about 11 billion miles to reach the outskirts of our solar system and continue on into interstellar space. Today on River to River, we hear from research scientist, Bill Kurth, about his work on some of the spacecraft’s equipment that was built and operated by the University of Iowa.

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River to River
2:29 pm
Thu April 11, 2013

All Things Cosmic, With Neil deGrasse Tyson

Neil deGrasse Tyson in Austin, TX, with Steve Kawaler (ISU) and Jacklyn R. Green (JPL)

Asteroids, galaxies, aliens, and space travel...we cover it all on this edition of River to River. Renowned astrophysicist, Neil deGrasse Tyson, joins us to weigh in on all things cosmic.

He will be in Iowa on Monday, April 15, for a lecture at the Iowa Memorial Union in Iowa City. The lecture begins at 7:30 p.m. and is free and open to the public.

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River to River
2:09 pm
Thu February 14, 2013

The End of the World

Emily Lakdawalla, Planetary Society Blogger / flickr

How will the world end and what can we do to prevent it? "River to River" talks with Paul Wapner, an expert in global environmental politics about the human suffering extreme climate change continues to cause.

Also University of Iowa astrophysicist Steve Spangler joins us to discuss the asteroid that will be whizzing by Earth—at a distance a bit too close for comfort—on Friday.  We’ll ask Spangler about the possibility of a massive asteroid destroying our planet in the near future.

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