Astronomy Cast Ep. 708: What Goes Into Sample Return Missions From Asteroids & Comets? by Fraser Cain & Dr. Pamela Gay Streamed live Feb 12, 2024. Last week we talked about sample return missions from the Moon and Mars, but scientists have retrieved samples from other objects in the Solar System, including comets and asteroids. What does it take to return a ... Show More
Sep 22
Ep. 764: Cleared For Launch!
Astronomy Cast Ep. 764: Cleared For Launch! By Fraser Cain & Dr. Pamela Gay Streamed live September 17, 2025. This week, we look at the process behind rockets getting licensed to launch, and everyone around the pad getting notified to stay away as T-0 approaches. (Can you say "er ... Show More
33m 3s
Nov 2023
China's Mars Race, Neutron Star Gold & NASA's SPHEREx | S26E141
Welcome to the show notes for Episode 141 of the "Spacetime" podcast, hosted by Stuart Gary. In this episode, we delve into China's ambitious Mars mission, a novel cosmic source for gold, and NASA's upcoming SPHEREx mission. **Episode Highlights:** 1. **China's Mars Sample Return ... Show More
27m 54s
Aug 2021
Cosmic Queries – Galactic Grab Bag – Blue Steel
Terraforming mars? How do black holes die? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice answer questions about the moon, periodic table of elements, light photons, black holes and more! NOTE: StarTalk+ Patrons can watch or listen to this entire episode commer ... Show More
48 m
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