Astronomy

Talk of Iowa
4:46 pm
Thu August 14, 2014

The End of Night: Searching for Natural Darkness in an Age of Artificial Light

Miroslav Petrasko

An inky black sky full of stars is one of the most breathtaking views on Earth, but for most Americans the stars have dimmed because of artificial light.

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River to River
5:30 pm
Tue August 5, 2014

The Solar Flare That Nearly Knocked Out Power to Tens of Millions

NASA's "Best-Observed X-Class Flare of All Time" from March 2014
NASA/SDO/AIA

NASA just released news that back in 2012, the Earth came very close to being hit by a solar flare – an event that could have wiped out electrical power for tens of millions of people.

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River to River
2:08 pm
Thu May 1, 2014

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.

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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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News Buzz
2:22 pm
Fri January 17, 2014

Shaping Our Galaxy: What the Milky Way Really Looks Like

Spiral galaxy M81, which is similar in shape to our Milky Way
Hubble Heritage

Today we bring you four stories. First, the Iowa legislative session kicks off this week. IPR's Joyce Russell brings us inside the statehouse to give us an idea of what will and won't be worked on this year.

An otherwise healthy young boy died from the influenza virus. Patricia Quinlisk talks to host Ben Kieffer about why this flu season is different than previous years and how to limit spread of the virus.

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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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Environment
9:39 am
Wed June 12, 2013

5 years later, Iowans learning to live with floods

Donnarae MacCann stands by a wall of sandbags surrounding her home on Normandy Drive, in Iowa City.
Durrie Bouscaren Iowa Public Radio

It has been five years since the floods of 2008. Now, a week after another round of flooding in Eastern Iowa, IPR’s Durrie Bouscaren looks at how many Iowans are adapting to changing times.

More than a thousand runners participated in “Run the Flood,” an annual race through Cedar Rapids to commemorate the anniversary of a flood that would change the landscape of many Iowa cities and towns. Carmen Covington says she participates every year.

“It was shocking,” Covington said. “It was sad to see everything I had known my entire life to be destroyed under so much water,”

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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
11:31 am
Tue February 26, 2013

Searching For Life On Other Planets

A comparison of the Kepler-37 system's planets, to our moon and the planets in our solar system
NASA/Ames/JPL-Caltech

We now have evidence of hundreds of planets orbiting other stars – and that’s just in our little corner of the Milky Way. But are any of these planets Earth-like? Could they be …habitable?

Today on River to River, a conversation with astrophysicist Steve Kawaler of ISU.  He’s working with NASA’s Kepler Mission. We’ll talk about the mission’s amazing discoveries.

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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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Science/Technology
2:38 pm
Mon August 27, 2012

Launch of Radiation Belt Storm Probes Delayed

Mohammed Alhadab/The Daily Iowan

NASA's launch of the Radiation Belt Storm Probes developed, in part, by University of Iowa Professor of Physics and Astronomy Craig Kletzing has been delayed.  The Atlas rocket is now scheduled to lift off on Thursday.  River to River's Ben Kieffer speaks with Kletzing about the delay, and the project's eventual goals.

River to River
1:19 pm
Mon August 27, 2012

UI Instrument On NASA Spacecraft And Media Culture In Turkey

NASA

What does weather in space have to do with us on Earth? A lot it turns out.  Host Ben Kieffer talks with University of Iowa Astronomy Professor Craig Kletzing. He talks about the instrument created by University of Iowa researchers that is aboard NASA’s latest mission to study the extremes of space weather and help scientists improve space weather forecasts.

Then, David Perlmutter, Director of the School of Journalism and Mass Communication at the University of Iowa, talks about his trip this summer with other delegates to experience the culture of media in Turkey.

Education
12:58 am
Mon August 20, 2012

Burlington School Named After Voyager Project’s Chief Scientist

Ed Stone speaks in his hometown Burlington during the Edward Stone Middle School dedication.

A Burlington Middle School is now named after a key scientist in NASA’s Voyager program.  Today the Edward Stone Middle School opens for classes and Ed Stone returned to the hometown where his journey as a space scientist began.