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Walkabout the Galaxy

Jan 21, 2019

Hold on to your solar system, the Milky Way may be in store for a galactic collision sooner than anticipated. And speaking of collisions, evidence from craters on the Moon as well as an apparent dearth of craters on the Earth (I just wanted to say dearth and Earth in the same sentence) suggest that the current rate of...


Jan 14, 2019

2019 began with the successful flyby of Ultima Thule (2014 MU69 - more on the name in the show!) by the New Horizons spacecraft, but there's much more to talk about, including a discovery of more Fast Radio Bursters (mysterious sources of tremendous energy), and observations that show phase transitions in White Dwarf...