Leggo my LIGO!

The astroquarks take a look at new indications of water ice on the Moon, evidence that Jupiter formed in less than a million years, and the third detection by LIGO of gravitational waves from a black hole merger. All that, NASA’s new astronaut class, New Horizons, and the summer sci-fi blockbuster and blockbuster wannabes on this episode of Walkabout the Galaxy.

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