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<p><a href= "https://www.youtube.com/watch?v=whMphW1Tb5I">https://www.youtube.com/watch?v=whMphW1Tb5I</a></p> <p><strong>Hosted by: Fraser Cain and Dr. Pamela L. Gay</strong></p> <p><strong>Streamed live on Nov 8, 2025</strong>.</p> <p>With the arrival of the comet 3I/Atlas (Asteroid Terrestrial-impact Last Alert System), the world is getting a crash course in comets, their behavior, and of course their tails. Today we're going to talk about comets and their tails, why they exist, how they grow, why they can be different colors and how they can be sometimes point AT the Sun.</p> <p> </p> <p>Comets are one of the most animated and ephemeral targets for astronomy. From night to night they can change in shape and color, and every nuance tells us something. In this episode, we decode blue tails, green cores, forward-facing plumes, and other weird and awesome details observed with these icy visitors.<span class= "Apple-converted-space"> </span></p> <p> </p> <p>This show is supported through...