Mars Gullies Aren't Made by Water: The Surprising Dry Ice Answer

Podcast: Space Nuts: Astronomy Insights & Cosmic Discoveries · Professor Fred Watson and Andrew Dunkley

Opublikowano: 2026-09-24

Perseverance drove to the edge of an ancient Martian lake expecting a beach and found the inside of a volcano — rock that water has been through at least three separate times. Europe's Jupiter probe comes home on Monday night and crosses Australia in a fully dark sky. Two teams, using two completely different techniques, both find something hiding inside the most famous planetary system we have ever photographed — and an Australian instrument is in the middle of one of them. Plus: heavy water in an interstellar comet, and what it says about the star that made it. In this epis...