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Episode 706: Open Space 100: Did We Really Detect a Signal from Proxima Centauri? And More...
In this week's last QA of 2020, I go long answering questions about space and astronomy. I talk about the news of a radio signal received from Proxima Centauri, an update on my attempts to learn Mandarin Chinese, and a long diatribe about megaconstellations and their impact on astronomy.00:00:00 Start00:02:51 How do we know the rotation rate of gas planets?00:05:21 Green blobs00:05:42 Radio signal from Proxima Centauri00:11:25 Learning Chinese00:17:05 Why don't we live in a black hole?00:18:37 Is nuclear propulsion legal?00:21:50 Are there planets that have no knowledge of space?00:24:57 Will…
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