4 ms·
https://www.nasa.gov/general/swarming-proxima-centauri/ https://www.nasa.gov/general/swarming-proxima-centauri/
by librasteve 2y ago
https://www.nasa.gov/general/swarming-proxima-centauri/ https://www.nasa.gov/general/swarming-proxima-centauri/