This category contains books on astronomy: the scientific study of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that originate outside the Earth's atmosphere. It is concerned with the evolution, physics, chemistry, meteorology, and motion of celestial objects, as well as the formation and development of the universe.
The following 13 related categories may be of interest, out of 13 total.
- ► General Astronomy (2 cats, 110 pages)
- ► Messier Index (1 cat, 119 pages)
- ► Solar System (26 pages)
- ► The Universe Made Simple (18 pages)
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The following 14 pages are in this category, out of 14 total.