10-31-2018, 06:04 AM
"Dr. Genzel’s team found that the gas clouds circle every 45 minutes or so, completing a circuit of 150 million miles at roughly 30 percent of the speed of light."
That really boggles my mind, that's Earth to Sun in half an hour or so.
That really boggles my mind, that's Earth to Sun in half an hour or so.