Orbital Path

Series produced by PRX

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Orbital Path with Michelle Thaller takes a look at the big questions of the cosmos and what the answers can reveal about our life here on Earth. From podcast powerhouse PRX, with support from the Sloan Foundation.

About Our Host: Dr. Michelle Thaller is Deputy Director of Science Communcation at NASA. She is a research scientist who studies binary stars and the life cycles of stars. In her off-hours, Michelle often puts on about 30 lbs of Elizabethan garb and performs intricate Renaissance dances.


43 Pieces

Order by: Newest First | Oldest First
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In the first episode of Orbital Path, host Michelle Thaller talks with astronomer and author Phil Plait of Slate's Bad Astronomy blog about this co...

Bought by KPIP-LP, KUER, New Hampshire Public Radio, Radio Newark, KUAF Public Radio and more


  • Added: Dec 14, 2015
  • Length: 13:43
  • Purchases: 9
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Host Dr. Michelle Thaller talks to Prof. Lisa Randall, a theoretical particle physicist at Harvard, about her new book, Dark Matter and the Dinosau...

Bought by KPIP-LP, WRST-FM Oshkosh, KUAF Public Radio, CHSR-FM 97.9, KOWS and more


  • Added: Jan 15, 2016
  • Length: 17:43
  • Purchases: 6
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The most rare objects in the night sky are only visible in some extreme places. Dr. Michelle Thaller introduces us to Dr. Anna Moore, a scientist w...

Bought by KPIP-LP, KALW, Radio Newark, WRST-FM Oshkosh, KUAF Public Radio and more


  • Added: Feb 18, 2016
  • Length: 15:59
  • Purchases: 8
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Astronomer Michelle Thaller talks with Ashley Davies, a research scientist at the Jet Propulsion Laboratory, about the importance of volcanoes in t...

Bought by KPIP-LP, Radio Newark, WRST-FM Oshkosh, KUAF Public Radio, CHSR-FM 97.9 and more


  • Added: Apr 07, 2016
  • Length: 16:33
  • Purchases: 6
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In this special Mother’s Day episode, Michelle talks with her mom about what it was like raising a space-obsessed daughter in Wisconsin and watchin...

Bought by KPIP-LP, Radio Newark, and KUAF Public Radio


  • Added: May 02, 2016
  • Length: 14:56
  • Purchases: 3
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From space, the view of earth has no boundaries for countries, no barriers to achievement. Michelle Thaller speaks with Aprille Ericcson, a senior ...

Bought by KPIP-LP, KICI Iowa City, KUAF Public Radio, CHSR-FM 97.9, and KUER


  • Added: Jun 15, 2016
  • Length: 18:49
  • Purchases: 5
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Michael Kentrianakis loves eclipses and has seen them from all over the world. Host Michelle Thaller and Mike talk about the stages of the eclipse ...

Bought by KPIP-LP, Radio Catskill, KISU, and PRX Remix


  • Added: Jul 15, 2016
  • Length: 17:38
  • Purchases: 4
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The asteroid belt is portrayed in movies as a crowded place with massive rocks bouncing each other like pool balls, capable of sending a mile-wide ...

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  • Added: Aug 22, 2016
  • Length: 15:28
  • Purchases: 7
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When Proxima b’s discovery appeared in Nature on August 24, the media breathlessly announced a new Earth-like planet just 4.2 light years away from...

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  • Added: Sep 02, 2016
  • Length: 12:03
  • Purchases: 9
Caption: A coronal mass ejection, Credit: <a href="http://www.nasa.gov/content/goddard/sdo/potw603-brief-outburst/index.html">NASA</a>
The sun can seem like a friendly celestial body, keeping us warm and happy. But just as sun decided when life on Earth could begin, it will also de...

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  • Added: Sep 30, 2016
  • Length: 13:44
  • Purchases: 6
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Scientific discovery can happen in two ways: "Eureka!" moments of sudden understanding, where researchers glean unexpected insight into new phenome...

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  • Added: Oct 21, 2016
  • Length: 13:11
  • Purchases: 5
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An Orbital Path episode all about... an orbital path! Planet 9's, to be exact. The replacement for Pluto as our solar system's ninth planet is out ...

Bought by KPIP-LP, WRST-FM Oshkosh, and PRX Remix


  • Added: Nov 18, 2016
  • Length: 16:23
  • Purchases: 3
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Going to Mars is hot right now, just ask Matt Damon. But would you go if you knew your bones would turn into something called “pee brittle”? Forme...

Bought by KPIP-LP, KICI Iowa City, Radio Newark, and KWMR


  • Added: Feb 24, 2017
  • Length: 14:32
  • Purchases: 4
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In 1985, the British Antarctic Survey discovered something that shocked scientists around the world: the ozone layer had a hole in it. And the hole...

Bought by KPIP-LP, KICI Iowa City, and KRZA


  • Added: Feb 24, 2017
  • Length: 18:02
  • Purchases: 3
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Galileo discovered Europa, Jupiter’s fourth-largest moon, in 1610. In 1977, the Voyager spacecraft buzzed past and we realized it was covered in ic...

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  • Added: Feb 24, 2017
  • Length: 18:44
  • Purchases: 6
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Space science can help track what’s happening on Earth. In this episode, Orbital Path talks landslides and the satellites that monitor them for the...

Bought by KPIP-LP, KICI Iowa City, Gallatin Valley Community Radio, KVSC, KWMR and more


  • Added: Mar 20, 2017
  • Length: 22:09
  • Purchases: 7
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Listeners requested more episodes, so we present the first of our mini episodes. They’ll arrive two weeks after each monthly regular episode, and i...

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  • Added: Apr 03, 2017
  • Length: 06:28
  • Purchases: 4
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Nearly 100 years after Einstein predicted the existence of gravitational waves — huge undulations in the fabric of space-time itself — in 2015, det...

Bought by KPIP-LP, KICI Iowa City, and KVSC


  • Added: Apr 21, 2017
  • Length: 26:21
  • Purchases: 3
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When the Cassini spacecraft blasted into space on October 15, 1997, even the most optimistic scientists would have had a hard time predicting the m...

Bought by KPIP-LP, KUER, KRZA, and PRX Remix


  • Added: May 23, 2017
  • Length: 22:30
  • Purchases: 4
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Dr. Michelle Thaller visits the NASA lab that discovered that meteorites contain some of the very same chemical elements that we contain. Then, Mic...

Bought by KPIP-LP, KICI Iowa City, and XRAY.fm


  • Added: Jun 20, 2017
  • Length: 16:55
  • Purchases: 3