Galactic Age of the Sun, Evidence for Dark Matter, Contamination of Mars | Q&A 288
👉 Get an extra Overtime Q&A episode: Did we already contaminate Mars with life from Earth? When will we find the first intergalactic object? How do we know dark matter is in the center of the Milky Way? Answering all these questions and more in this Q&A show. 00:00 Start 00:26 Did we already contaminate […]
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