Planet 9 is Pluto, but Planet X is back in the news with the discovery of another object in the deep and distant recesses of our solar system, nicknamed the Goblin! It adds another piece of evidence to the idea that a big planet-y thing is lurking our there. So the astroquarks start Halloween season off with a Goblin-themed episode with a planetary Goblin and goblin trivia. Get your spook on, plus a multitude of asteroid hoppers and news from the surface of Mars in the latest episode of Walkabout the Galaxy, the only one that is this actual episode!

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