Astronomical Calendar 2023

<p>The whole year's events in the night sky. Monthly spreads with sky domes and listing of 568 events; sections on the Sun and seasons the Moon eclipses occultations each planet asteroids meteor showers; glossary of terms full explanations. Many sky scenes charts and diagrams in full color including 3-D views of space.</p><p>This is the revival of a famous book that was published for more than 40 years then continued as an electronic document; now it is both electronic and printed.</p>