Kind of interesting that the word ‘galaxy’ actually comes from the Greek for ‘Milky Way’. But, when did we, as humans, finally determine that the Milky Way was a galaxy? A designation based on a century would be fine. OK?
Think first, then research, then THINK again. Think for the pleasure of thinking.
Yesterday’s ‘Think’: “How long to build the Empire State Building” — Start to finish was said to be 410 days! January 1930 to April 1931. Pretty amazing. 4 days per floor. Could we do it that quickly today?