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.

Saturday, August 2, 2025

Chandra Images

"This new collection of images from NASA's Chandra space telescope — which launched in 1999 — shows what different objects in space look like with an added layer of X-ray vision."

https://www.livescience.com/space/nasa-unveils-9-stunning-snapshots-of-the-cosmos-in-x-ray-vision-space-photo-of-the-week

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