Who (and when) discovered first that the Moon does not have its own light?
The Soviet Union was a famously restrictive place when it came to news and ideological spin, and obviously their attitude toward the United States was less than supportive and warm. The Space Race ...
It is said that the precession cycle of the Earth's axis takes about 26,000 years to complete. It is also said that the ancient Greeks could see Crux (aka the Southern Cross) from where they lived. It ...
Did contemporary scholars draw a connection between Great Schism and Crab Nebula Supernova (1054 A.D.)?
Did any contemporary scholars draw a connection between the occurrence of the Great Schism and the Crab Nebula Supernova, which both occurred around the middle of 1054 A.D.? I already asked at ...
In plenty of myths and stories from ancient (and not-so-ancient) history, people are able to fly or climb all the way up to the "dome of the sky," breathing all the way. But even once science had ...
There is a famous story going back to Herodotus according to which Thales of Miletus predicted the solar eclipse of May 28, 585 BC, which interrupted a battle. Given that we have not a single ...
According to Ptolemy's (c. 150 CE) account of the motions of planets, planets moved in circular paths ("epicycles") around center points that in turn moved around the center of the earth along a path ...
In the 1600s, the nature of the moon was a matter of debate. Papers arguing for the modern concept of the moon were being printed, such as The Discovery of a World in the Moone, 1638. The phrase a ...
How come Week days in India synchronize with the week days in Western countries? When did this happen?
I'm aware that Ancient Egyptians did chart stars and have a relatively robust understanding of astronomy for the time. However, did they (say, in the 2nd millenium BC) practice astrology, such that ...
How could astronomers in the ancient world determine that the winter solstice was occurring? According to whoever edited the Wikipedia article on the winter solstice, it's too hard for modern ...
How did the Earth get its name? The answer on Wikipedia is a bit short and unhelpful. I was not just referring to its English name - in the few languages I know it translates to basically the same ...