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, December 26, 2025

Cosmic Map

"Launched in March, NASA’s SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors."https://www.jpl.nasa.gov/news/nasas-spherex-observatory-completes-first-cosmic-map-like-no-other/?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4
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