Orbital Path

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Episodes

Date Title & Description Contributors
2018-12-21

  Building 29

All things in the cosmos have a lifespan, from the smallest particles to the most ancient suns. Everything has its season. Every season must come to an end. And this episode marks the end of Orbital Path. So, for the last transit of our podcast, Dr. Mi...
  PRX author
2018-11-30

  Hello, Asteroid!

Asteroids, as the dinosaurs found out, can have big effects on life on Earth.  Sixty-five million years ago, an asteroid crashed into the Yucatán. The impact caused apocalyptic tsunamis and volcanic eruptions. Grit and ash blotted out the sun. It wiped...
  PRX author
2018-10-26

  Black Holes from the Dawn of Light

To make a black hole, you need to think big. Really big. Start with a star much bigger than the sun — the bigger the better. Then settle in, and wait millions and millions and millions of years for your star to die. That should do the trick, if you wan...
  PRX author
2018-09-28

  Space Lasers for the Home Planet

On September 15, 2018, the last Delta II rocket lifted off from Vandenberg Air Force base, in California. It carried into orbit IceSat-2 — a satellite equipped with perhaps the most sophisticated space laser ever built.   NASA didn’t put it up there to...
  PRX author
2018-08-31

  Brian Greene goes to 11 — again

We live our lives in three dimensions. But we also walk those three dimensions along a fourth dimension: time. 

Our world makes sense thanks to mathematics. Math lets us count our livestock, it lets us navigate our journeys. Mathematics has also prove...
  PRX author
2018-07-27

  The Universe of Leonard Susskind

To hear Leonard Susskind tell it, we are living in a golden age of quantum physics. And he should know. Susskind is a grandee of theoretical physics. In the 1960s, he was one of the discoverers of String Theory. His friends and collaborators over the y...
  PRX author
2018-06-29

  Mars Goes Organic

For a long time, probably as long as we have been gazing up at the night sky, people have been asking ourselves: Are we alone? Is there life out there, anywhere else in the universe? For modern Earthlings, our fascination with extraterrestrial life has...
  PRX author
2018-03-23

  Earth, Desert Planet?

Zoe is in 8th-grade. She’s a student in Mr. Andersen’s Earth science class at a public school in Brooklyn. Lately, she’s been concerned about the future of the planet. Specifically, Zoe has been learning about the phenomenon of planetary dehydration — ...
  PRX author
2018-03-09

  Our Darkening Universe

Secrets of the universe? A glimpse of the whiteboard in the office of Nobel Prize-winning astrophysicist Adam Riess. Adam Riess was only 41 when he was named a Nobel Prize winner. The Johns Hopkins distinguished professor of astronomy shared in the awa...
  PRX author
2018-02-23

  Introducing…Telescope!

Instead of grappling with the big, cosmic questions that preoccupy adults, this week on Orbital Path we’re doing something different. We’re grappling with the big, cosmic questions that preoccupy kids. It’s part of a new project called “Telescope,” whe...
  PRX author