From Wolf Creek Crater to global astrophotography, John Goldsmith shares his passion for capturing the night sky, preserving Aboriginal astronomical knowledge, and the ethics of astrophotography.
Mar 5th: John Goldsmith
Podcast Archive
Mar 4th: So Is the Warp Drive Legit or Not?
What is an Alcubierre warp drive? What would it take to make it work? Could it propel spacecraft even below the speed of light?
Mar 3rd: Dust Storms
What causes dust storms and how do they work differently on the worlds in the solar system. But what about the exoplanets?
Mar 2nd: Newborn Planets & Marrakech
Today Travelers in the Night tell us stories about ALMA imaging protoplanetary disk & The Moroccan Oukaimeden Sky Survey discovery of asteroids & comets.
Mar 1st: Last Minute Astronomer March 2025
March 2025 says goodbye to Saturn, welcomes a total lunar eclipse, and continues hanging out with the rest of the planets
Feb 28th: Black Holes Can Clear Way For Star Formation
Contrary to the destructive role supermassive black holes are thought to play in the lives of stars, it turns out that certain types of galaxies benefit from black holes clearing the way and keeping star formation going.
Feb 27th: Say Cheese
We’re celebrating the 35th anniversary of the first and only Portrait of the Solar System, a series of images taken by Voyager 1 on 14 Feb 1990. Dr. Candice Hansen-Koharcheck tells the story behind this portrait. She and Dr. Linda Spilker also talk about their career-long friendship.
Feb 26th: The Universe
Cheap Astronomy asks the big questions. Our very big home. Will we ever make contact with aliens in another star system?
Feb 25th: Asteroid Doom and Gaia Gloom
The world veers towards madness, asteroids threaten destruction and Gaia is no more. But the planets are putting on a show and Pluto is 95, so that’s alright…
Feb 24th: How We Know If Asteroids Will Attack
Asteroid 2024 YR4 has a tiny chance of hitting Earth in 2032. How do astronomers discover these dangerous asteroids, measure their future impact risk and track the changes over time? When should we panic?