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, October 11, 2025

Dark Matter

"Dark matter is an enigmatic form of matter not expected to emit light, yet it is essential to understanding how the rich tapestry of stars and galaxies we see in the night sky evolved." https://phys.org/news/2025-10-astronomers-lowest-mass-dark-gravitational.html
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