The world's first astrolabes were used by Muslims to determine prayer times and the direction of Mecca.
[The pic above is a astrolabe, so astrolabe was basically originated in the sixth century as a tool to tell time and observe the sky]
Fun fact: Light from the center of the Milky way takes 25,000 years to reach us on Earth.
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Did you know ?
Random'Did you know' is a fact book, facts about science, history, astronomy, psychology etc with the inclusion of a fun fact at the end. All credit goes to the the scientists and researchers who spent hours to discover these facts also the crazy minds w...
