Astronomy and astrophysics. My new problems, volume 1 - Mihail Sandu

A work addressed to astronomy and astrophysics enthusiasts, meant to bring the mysteries of the universe closer to us. written by prof. Mihail Sandu, an author with over 50 specialized works published over time, the book is also a helpful tool to the participants in various competitions, olympiads and competitions in the mather.

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