'Heavenly body' diaporamas de présentation

ASTRONOMICAL SURVEYING

ASTRONOMICAL SURVEYING. H.C. King, History of the Telescope. CONTENTS. Celestial sphere Astronomical terms and definitions Motion of sun and stars Apparent altitude and corrections Celestial co-ordinate systems Different time systems Use of Nautical almanac Star constellations

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Decompression melting

Decompression melting. The process of decompression melting is the upward movement of the earth's mantle to an area of lower pressure. The reduction in overlying pressure enables the rock to melt, leading to magma formation.

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Vocabulary: Roots

Vocabulary: Roots. Roots 101-120. later. Side, broad Lateral, latitude. leg. Law Legal (lawful; according to law), legislate (to enact a law), legislature (a body of persons who can make laws), legitimize (make legal). Lic , licit. Permit

314 views • 21 slides