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.

Friday, November 14, 2025

Sentinel 6B

"With launch set for no earlier than 12:21 a.m. EST Monday, Nov. 17, Sentinel-6B is the latest satellite in a series of spacecraft NASA and its partners have used to measure sea levels since 1992."https://www.jpl.nasa.gov/news/6-things-to-know-from-nasa-about-new-us-european-sea-satellite/?utm_source=iContact&utm_medium=email&utm_campaign=1-nasajpl&utm_content=s6b20251114_2
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