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Cosmic Coffee Time with Andrew PrestageAuthor: Andrew Prestage
It's cosmology in a cup! - Cosmic Coffee Time is bite sized podcasts making sense of space, astronomy, life, and the universe, best enjoyed with a coffee. A down to earth look at what's up there, and it's just for you spacefans. Grab a coffee and see where in the universe we go this time. Follow on Twitter @CosmicCoffTime Language: en-au Genres: Astronomy, Natural Sciences, Science Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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#89 Rogue planets! It's possible that most planets in our galaxy don't orbit a star, like we do with our sun. Rogue planets float through interstellar space in the cold darkness. How do they form? And how do we find a planet at interstellar distances with
Episode 89
Tuesday, 31 March, 2026
Send us Fan MailWe instinctively think of planets as rocky or gaseous bodies orbiting a star like our sun, with sunrise, sunset, heating and maybe even seasons. But what if a planet didn't orbit a light source? What if it just floated through space vaguely orbiting the centre of the galaxy, but tugged this way and that way by nearby stars and stellar systems. These are rogue planets. No sunrise, no sunset, no heat from an outside source. Just starlight and blackness as it wandered aimlessly through lonely interstellar space. And they just might be the most common type of planet in our galaxy.Follow Cosmic Coffee Time on X for some special contentX.com/CosmicCoffTimeEmail us! cosmiccoffeetime@gmail.comYou can request a topic for the show! Or even just say hi!We'd love to hear from you.







