Ed Krupp, the director of Griffith Observatory in Los Angeles, will share insights from the fascinating field of archaeoastronomy.
Jan 14
IMAP and the shape of the heliosphere
Our Solar System is wrapped in a vast, invisible bubble created by the Sun, a protective region that shields Earth and the planets from much of the radiation that fills our galaxy. But until recently, scientists have only had rough sketches of what this boundary looks like and ho ... Show More
56m 45s
Jan 7
Voyager and the heliopause: Exploring where the Sun gives way to the stars
What does it really mean to enter interstellar space, and what have we learned since humanity first crossed the invisible boundary between our Sun and the stars? In this episode of Planetary Radio, we explore the science of the heliosphere and the realm beyond with Linda Spilker, ... Show More
58m 40s
Jan 2
Space Policy Edition: Change for the Sake of Disruption at NASA
Marcia Smith, the founder and editor of Space Policy Online, joins the show and revisits a conversation we had one year ago, recorded just weeks before the second Trump administration took office. That episode, “The Challenges of Change at NASA,” explored the institutional and po ... Show More
1h 11m
Aug 2021
Lucy in the Sky With Asteroids
How did the planets form? How did life happen? Where did Earth’s water come from? To answer questions like these, scientists used to go big—looking at planets, dwarf planets, and moons—but now small is the new big. Technology is zooming in on the pint-size stuff—asteroids, comets ... Show More
30m 51s
Jan 2022
The James Webb Space Telescope launches astronomy into a new era
After decades in the making, the James Webb Space Telescope (JWST) finally launched on 25 December 2021, ushering in a new era for astronomy. On Monday the $10bn mission reached its destination, the L2 Lagrange point 1.5 million kilometres from Earth, where it will remain in orbi ... Show More
46m 20s