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.

Saturday, August 23, 2025

Sputnik 1

"Back in 1957, something spectacular happened that would change the world forever: the first human-created satellite, Sputnik 1, was launched into space."https://bigthink.com/starts-with-a-bang/nasa-chief-defy-charter-science/?utm_source=substack&utm_medium=email&utm_campaign=swab
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