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 9, 2025

Clouds Chambers

"Invented in 1911, cloud chambers like this one were among the first devices used to study high-energy particles called cosmic rays, believed to come from exploding stars called supernovas."https://www.exploratorium.edu/exhibits/cloud-chamber?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4

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