Podcast: Planet 9, Apollo 9 and aurora adventures

In the latest episode of Radio Astronomy, the BBC Sky at Night Magazine team discuss the latest theories about Planet 9 with physicist Antranik Sefilian, plus there’s chat about aurora hunting and the achievements of Apollo 9.

"Just as the solar system is a few small planets in millions of kilometres of empty space, an atom is just a few electrons orbiting the tiny central atomic nucleus." Credit: NASA
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Published: March 4, 2019 at 12:00 pm
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Authors

Iain Todd, BBC Sky at Night Magazine
Iain ToddScience journalist

Iain Todd is BBC Sky at Night Magazine's Staff Writer. He fell in love with the night sky when he caught his first glimpse of Orion, aged 10.

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