2 ms·
PBS Space Time (from your list) is one of my favorite channels. Such great content of which I can't speak highly enough. https://www.youtube.com/channel/UC7_gcs
by stronglikedan 5y ago
PBS Space Time (from your list) is one of my favorite channels. Such great content of which I can't speak highly enough. https://www.youtube.com/channel/UC7_gcs09iThXybpVgjHZ_7g https://www.youtube.com/channel/UC7_gcs09iThXybpVgjHZ_7g