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If you find these sorts of questions interesting, I can't recommend the PBS Space Time YouTube channel highly enough. https://www.youtube.com/channel/UC7_gcs09
by JshWright 8y ago
If you find these sorts of questions interesting, I can't recommend the PBS Space Time YouTube channel highly enough.
https://www.youtube.com/channel/UC7_gcs09iThXybpVgjHZ_7g https://www.youtube.com/channel/UC7_gcs09iThXybpVgjHZ_7g