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, September 18, 2025

Spacecraft size of a city

"A spacecraft the size of a small city could one day ferry generations of humans across the void to Alpha Centauri, our nearest star system, according to a detailed concept design released this summer."https://dailygalaxy.com/2025/09/no-way-back-meet-chrysalis-the-36-mile-starship-designed-to-carry-1000-humans-away-from-earth-forever/
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