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.

Sunday, August 31, 2025

Dark Matter

"The universe feels simple at first glance: stars, gas, dust, and the gravity that binds it all."https://www.earth.com/news/study-says-dark-matter-does-not-exist-the-universe-is-27-billion-years-old/#google_vignette

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