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In this Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Jonti Horner tackle a variety of fascinating questions from listeners. From the intriguing phenomenon of planetary atmospheres that may rain diamonds and sapphires, to the complexities of satellite approvals and the possibility of planets forming without a star, this episode is packed with cosmic insights.
Key topics include:
- Nick from Perth asks about the science behind the claims of diamond and sapphire rain on distant planets, prompting a discussion on spectral analysis and the nature of scientific reporting.
- Sandy from Melbourne raises concerns about the recent FCC approval for Reflect Orbital's satellite, leading to an exploration of the regulatory landscape surrounding space launches and the implications for global cooperation.
- Rennie from California queries whether planets can form without a sun, which sparks a deep dive into the theories surrounding rogue planets and the role of dark matter in planetary formation.
Join Andrew and Jonty as they navigate these thought-provoking questions, shedding light on the mysteries of the universe and the ever-evolving field of astronomy.

00:00 - This is a Q and A episode and in this particular show we're answering audience questions
01:00 - Professor Jonty Horner joins us to discuss astrophysics
01:29 - The heat stays a bit longer than summer and the cold stays too much past winter
02:55 - Nick in Perth has a question regarding planetary atmospheres
11:29 - Scientists are extrapolating from what they know about planets' interior
12:49 - Andrew Dunkley: Question comes from Sandy in Melbourne, Australia
14:51 - FAA proposing to circumvent environmental laws for commercial launches and spacecraft reentries
21:54 - Fast developing industry with no regulation developed around it
25:20 - Space Nuts Q and A edition with Andrew Dunkley and Jonty Horner
25:38 - Can planets form without a sun because dark matter would be the gravity
33:41 - You can send in your Space Nuts questions via our website

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