Comets

Misha Glenny and guests discuss one of the wonders of the natural world. In 1875 in the western Pacific, the crew of HMS Challenger discovered the Mariana Trench which turned out to be deeper than Everest is high, by two kilometres. Trenches like Mariana form when one tectonic pl ...  Show more

Melvyn Bragg and guests discuss the evolution of lungs and of the first breaths, which can be traced back 400 million years to when animal life spread from rock pools and swamps onto land, as some fish found an evolutionary advantage in getting their oxygen from air rather than w ...  Show more

Melvyn Bragg and guests discuss the flow of particles from the outer region of the Sun which we observe in the Northern and Southern Lights, interacting with Earth's magnetosphere, and in comet tails that stream away from the Sun regardless of their own direction. One way of defi ...  Show more

Hale Bopp is one of the most widely observed comets of the 20th century. Its discovery in 1995 resulted in huge advances in science. Russell Crewe spoke to astronomer Dr Alan Hale who discovered the comet alongside Tom Bopp. This is a Made in Manchester production for the BBC Wor ...  Show more

In this episode of SpaceTime, we explore the latest cosmic revelations, including the astonishing discovery of an ancient interstellar comet, the intricate workings of a rare pulsar, and the safe return of the Axiom 4 crew from their mission.Ancient Interstellar Comet 3I/AtlasAst ...  Show more

Learn about "shooting stars," the makeup of meteors, meteorites, and the history of human belief and research about this spectacular astronomical phenomenon.📖 Full Text @ BedtimeHistoryStories.com📺 YouTube👍 Facebook | Instagram🇲🇽 Spanish | "Déjame contarte la Historia"   Get ...  Show more