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 30, 2025

Dark Energy

"The story of the expanding Universe has been a back-and-forth one over the past 110 years: ever since general relativity was first introduced."https://bigthink.com/starts-with-a-bang/dark-energy-no-longer-constant/?utm_source=substack&utm_medium=email&utm_campaign=swab

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