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.

Monday, April 7, 2025

Orbital Prototype

"On April 23, NASA launched a solar sail protype to orbit around our planet — a piece of technology that could very well revolutionize the way we think about spacecraft propulsion."


https://www.livescience.com/space/space-exploration/nasa-spacecraft-captures-1st-photo-of-its-giant-solar-sail-while-tumbling-in-space

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