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, July 9, 2026

Mars was once like Earth



"Mars once had a global magnetic field, generated deep inside the planet, strong enough to deflect the solar wind much as Earth’s does today."


https://spacedaily.com/t-mars-once-had-a-magnetic-field-strong-enough-to-deflect-solar-wind-just-as-earths-does-now-when-it-collapsed-the-planet-lost-its-atmosphere-and-its-oceans-within-a-geologically-brief-peri/

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