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, February 26, 2026

Blue Stragglers

"Blue straggler stars stand out in old star clusters because they appear hotter, more massive and younger than stars that should all have formed billions of years ago."https://esahubble.org/news/heic2602/?lang

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