We’re back to a theme-less questions show. We’re right across the Universe this time. Why are the planets lined up in a nice flat plane? Why are there no green stars? And is the Oort Cloud contaminating our understanding of the cosmic microwave background radiation? If …
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Ep. 112: Death From the Skies, Interview with Phil Plait
We say it all the time here on Astronomy Cast: the Universe is trying to kill us. This week, Pamela is joined by Dr. Phil Plait to discuss his new book, “Death from the Skies”. Phil and Pamela talk about asteroid strikes, solar flares and gamma ray bursts.
Questions Show: Relativity, Relativity and More Relativity
Everyone loves a theme. And this week we’ve collected together some of your questions about relativity. More light speed spacecraft, twin paradoxes, and the mixing up of gravity, time and mass. If you’ve got a question for the Astronomy Cast team, please email it in to …
Ep. 111: Nebulae
When you think about the best pictures in astronomy, almost every one is a nebula; the pillars of creation in the Eagle Nebula, or the complex Helix Nebula – or my personal favourite, the Ring Nebula. They’re beautiful, wispy clouds of gas and dust that signify both the…
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