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, August 21, 2025

Alopeke Instrument

"Using the ‘Alopeke instrument on the Gemini North telescope—funded by NASA and the U.S. National Science Foundation—astronomers have identified a companion star in a very close orbit around Betelgeuse."https://scitechdaily.com/after-decades-of-searching-astronomers-finally-spot-betelgeuses-elusive-companion-star/
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