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, May 31, 2025

Universe without Dark Matter

"Here in our own Solar System, it’s normal matter that dominates the massive objects we observe and measure."https://bigthink.com/starts-with-a-bang/universe-without-dark-matter/?utm_source=substack&utm_medium=email&utm_campaign=swab

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