The Early History of humansSince the olden days, humans have looked up in the sky and blamed astronomical events for the unpleasant things happening to them (which was purely a coincidence). Not only this, but humans had also praised the occasions when a good thing happened after a few astronomical sightings (which was also coincidental). I am talking about the events that include sighting a comet, meteor shower or Northern lights, and even novas. In the 15th century, Pope Callixtus III excommunicated comets as an ‘Instrument of the Devil’. In 1835-36, when Halley’s Comet arrived, people assumed that it had...