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nucleosynthesis

(Encyclopedia)nucleosynthesis or nucleogenesis, in astronomy, production of all the chemical elements from the simplest element, hydrogen, by thermonuclear reactions within stars, supernovas, and in the big bang at...

moscovium

(Encyclopedia)moscovium mŏskōˈvēəm [key], artificially produced radioactive chemical element; symbol Mc; at. no. 115; mass number of most stable isotope 288; m.p., b.p., sp. gr., and valence unknown. Situated ...

Dynasties of Ancient Egypt (table)

(Encyclopedia)Dynasties of Ancient Egypt Old Kingdom (or Old Empire) First Intermediate Period Middle Kingdom (or Middle Empire) Second Intermediate Period New Kingdom (or New Empire) ...

Common Weights and Measures (table)

(Encyclopedia)Common Weights and Measures Length Area Volume and Capacity (Liquid and Dry) Weight (Mass) ...

Changes in English Pronunciation (table)

(Encyclopedia)Changes in English Pronunciation ...

Examples of Systematic Classification (table)

(Encyclopedia)Examples of Systematic Classification ...

Formulas for Various Areas (table)

(Encyclopedia)Formulas for Various Areas 1 The abbreviations used are: b = base (length of any side of a plane figure); a = altitude (perpendicular distance from the farthest point of the figure to t...

National Parks and Monuments (table)

(Encyclopedia)National Parks and Monuments 1 National Parks and Monuments National Monuments National and International Historic Sites and Historical Parks National Memorials National Battlef...