Orbital Path

Orbital Path

space, stars, the universe and us

Episodes

Minisode 5: Scary Math

September 29, 2017 • 11 mins
In a scary time, in a scary world, in a scary universe, NASA astronomer Andrew Booth says one of the things that frightens him most is math. Specifically, the power of mathematics to describe the universe. That’s because, beyond the comforting world of Newtonian physics, math gets mind-bendingly weird. So from the relative safety of … Continue reading Minisode 5: Scary Math
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Episode 22: Journey to the Sun

September 15, 2017 • 18 mins
Locked up on the Greek island of Crete, Icarus and his dad made wings out of  beeswax and bird feathers. They soared to freedom — but Icarus got cocky, flew too close to the sun, and fell into the sea.  A few thousand years later, NASA is ready to do the job right. The Parker … Continue reading Episode 22: Journey to the Sun
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Minisode 4: Hot Tub Physics!

September 1, 2017 • 11 mins
After a full day in a clean suit, there’s nothing like … a dip in the hot tub. NASA astronomer Andrew Booth spends his days working with lasers, developing some of the word’s most advanced telescopes. When he gets home from work, he loves to pour a glass of wine and slip into the hot … Continue reading Minisode 4: Hot Tub Physics!
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Episode 21: First Light

August 18, 2017 • 22 mins
There was a time before planets and suns. A time before oxygen. You could say there was time, even, before what we think of as light. Back in 1989, the Big Bang theory was still in question. But that year, a NASA team led by cosmologist John Mather launched a mission to probe the earliest … Continue reading Episode 21: First Light
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Episode 20: Holy Sheet!

August 4, 2017 • 20 mins
NASA is relying on hi-tech lasers — and some vintage U.S. Navy hand-me-downs — to learn about the polar regions of a remarkable, watery planet. It’s located in the Orion spur of our galaxy. NASA scientists have detected mountain ranges completely under ice. But the remaining mysteries of the ice here are profound, and what … Continue reading Episode 20: Holy Sheet!
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Mini-sode 3: Dr. Thaller Helps You Prep for The Eclipse

July 21, 2017 • 11 mins
The big one is coming! That is, the total solar eclipse of Aug. 21. Dr. Thaller shares her wisdom on how best to view the eclipse and its larger implications for science.
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Mini-sode 2: What up, Jupiter?

June 30, 2017 • 6 mins
Recently, we’ve started to get the first images back from Juno, which is on a mission to Jupiter. Host Dr. Michelle Thaller walks us through the results so far and how you can participate in what Juno discovers next. Image of Jupiter from the Juno spacecraft.
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Episode 19: We Are Stardust

June 21, 2017 • 16 mins
Dr. Michelle Thaller visits the NASA lab that discovered that meteorites contain some of the very same chemical elements that we contain. Then, Michelle talks to a Vatican planetary scientist about how science and religion can meet on the topic of life beyond Earth.
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Episode 18: Cassini Countdown

May 23, 2017 • 22 mins
When the Cassini spacecraft blasted into space on October 15, 1997, even the most optimistic scientists would have had a hard time predicting the mission’s success. Dr. Michelle Thaller speaks with the Cassini mission’s Project Scientist Linda Spilker, as well as Julie Webster, a longtime Cassini engineer and a manager for spacecraft operations. One of … Continue reading Episode 18: Cassini Countdown
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Making (Gravitational) Waves

April 21, 2017 • 26 mins
Nearly 100 years after Einstein predicted the existence of gravitational waves — huge undulations in the fabric of space-time itself — in 2015, detectors here on Earth finally picked up the signal of these massive disturbances. Dr. Michelle Thaller pulls apart the power and mystery of gravitational waves, and talks with Dr. Janna Levin, theoretical … Continue reading Making (Gravitational) Waves
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Mini-sode 1: NASA’s NICER Mission

April 3, 2017 • 6 mins
Listeners, we’ve heard you! You requested more episodes, so we present the first of our mini episodes. They’ll arrive two weeks after each monthly regular episode, and include Michelle Thaller’s insight on the latest space news. Enjoy episode one: NASA’s NICER (Neutron star Interior Composition Explorer) mission will launch in May. Michelle explains the NICER … Continue reading Mini-sode 1: NASA’s NICER Mission
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Lessons in Landslides

March 20, 2017 • 22 mins
Space science can help track what’s happening on Earth. In this podcast episode, Orbital Path talks landslides and the satellites that monitor them for the third anniversary of the deadliest landslide in US history. On March 22, 2014 a 650-foot hillside collapsed and covered the community of Oso, Washington. Forty-three people died. David Montgomery studied … Continue reading Lessons in Landslides
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Space Robots to Europa!

February 24, 2017 • 18 mins
Galileo discovered Europa, Jupiter’s fourth-largest moon, in 1610. In 1977, the Voyager spacecraft buzzed past and we realized it was covered in ice. It took a few more years to understand that it also likely had unfrozen liquid water oceans. In this episode, Kevin Hand, Deputy Project Scientist for the Europa mission at NASA’s Jet … Continue reading Space Robots to Europa!
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How the World Came Together to Avoid Ozone Disaster

January 23, 2017 • 18 mins
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 was growing very quickly. When they were presented with the problem, politicians and world leaders quickly came up with an international agreement to immediately reduce chlorofluorocarbons released into the atmosphere. … Continue reading How the World Came Together to Avoid Ozone Disast...
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Warning: Space May Wreak Havoc on Your Body

December 16, 2016 • 14 mins
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”? Former astronaut Michael Massimino reveals the uncomfortable side of liftoff. And Dr. Jennifer Fogarty from NASA’s Human Research Program elaborates on the physical challenges humans face with longterm … Continue reading Warning: Space May Wreak Havoc on Your Body
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In Search of Planet 9

November 19, 2016 • 16 mins
Proposed mockup of our solar system (the sun is the tiny yellow dot in the middle), and the proposed orbit of Planet 9 (called Planet X here). (Courtesy of Scott Sheppard / Carnegie Institution of Washington) An Orbital Path episode all about…an orbital path! Planet 9’s, to be exact. The replacement for Pluto as our … Continue reading In Search of Planet 9
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Black Hole Breakthroughs

October 22, 2016 • 13 mins
Scientific discovery can happen in two ways: “Eureka!” moments of sudden understanding, where researchers glean unexpected insight into new phenomena. Or, a slower, less glamorous hunt for truth that happens day-after-day, for years. But both methods can lead to new understandings that pushes the field forward for future breakthroughs. In this episode: the sudden realization … Continue reading Black Hole Breakthroughs
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Done in the Sun

September 30, 2016 • 13 mins
Coronal mass ejection courtesy of NASA Solar Dynamics Observatory The sun can seem like a friendly celestial body. It is the source of summer, crops, and basically all life on Earth. But just as the sun decided when life on Earth could begin, it will also decide when life on Earth will definitely end. Dr. … Continue reading Done in the Sun
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Howdy, Neighbor

September 2, 2016 • 12 mins
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 Earth. Astronomers have, for years, anticipated a planet orbiting Proxima Centauri. Michelle Thaller talks with astrophysicist Dr. Patricia Boyd about NASA’s ongoing search for exoplanets and what’s the next step in … Continue reading Howdy, Neighbor
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A Tale of Two Asteroids

August 22, 2016 • 15 mins
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 missile hurtling toward Earth at any moment. The reality is much more fascinating. Host Dr. Michelle Thaller speaks with Dr. Lucy McFadden, Co-Investigator of NASA’s Dawn Mission to orbit the … Continue reading A Tale of Two Asteroids
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