What makes constellations?

Constellations are named after a Greek or Roman God. They were made to help sailors find their way. Now they are used to help more people find their way. In this world such help is very useful.

Tuesday, July 23, 2024

Telescopes

"The first telescopes, known as refracting telescopes, were built in the early 17th century by Dutch eyeglass makers." https://www.popsci.com/science/telescopes-history/?utm_term=pscene072324&utm_campaign=PopSci_Newsletter&utm_source=Sailthru&utm_medium=email
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