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.

Thursday, October 16, 2025

Where Space Begins

"Space does not begin at a specific altitude above the Earth, but the Kármán line at 100 km is a commonly used definition."https://space-facts.com/

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