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, August 21, 2025

10 Billion years

"A new paper has predicted that the universe's expected lifespan is drastically shorter than once thought — and that the cosmos will start to die in just 10 billion years."https://www.livescience.com/space/cosmology/the-universe-may-start-dying-in-just-10-billion-years-alarming-new-model-predicts

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