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, May 16, 2024

Mars Rivers

"NASA’s Perseverance Mars rover sealed the tube containing its 20th rock core sample on June 23 (the 832nd Martian day, or sol, of the mission), and the mission’s science team is excited about its potential."

https://www.jpl.nasa.gov/news/ancient-river-is-helping-nasas-perseverance-mars-rover-do-its-work

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