Dr Karl gets a detailed briefing on a giant starry bubble just announced. Professor Lewis includes CMB, BAOs and traces of Dark Matter in his explanation. <a href= "https://drkarl.com/">DrKarl.com</a> <a href= "https://www.geraintflewis.com/">Geraint F Lewis</a>

Martian Bath Rings with Dr Adrian Brown from NASA (364)

Dr Karl’s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it’s never too late for a happy childhood. 
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