According to the message published by the Solar Astronomy Laboratory, the wingspan of the object measures approximately 150,000 kilometers, making it over ten times the size of Earth.

The night sky is changing with the stunning growth in commercial satellites — and one of the satellites that concerns astronomers the most is Bluewalker 3. The prototype craft, launched by the ...

Make sure to explore Astronomy’s full list of 101 cosmic objects you must see. New entries will be added each week throughout 2022.

pt. I. Ancient astronomy, from its origins to the end of the Middle Ages. The origins of astronomy -- Primitive astronomy in China, Chaldea and Egypt -- The cosmology of primitive peoples -- The ...