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, January 16, 2025

Black Hole Hiding

"Multiple NASA telescopes recently helped scientists search the sky for supermassive black holes — those up to billions of times heavier than the Sun."https://www.jpl.nasa.gov/news/how-many-black-holes-are-hiding-nasa-study-homes-in-on-answer/?utm_source=join1440&utm_medium=email&utm_placement=newsletter
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