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Há 1 dia · History Early history. The hypothesis of dark matter has an elaborate history. In the appendices of the book Baltimore lectures on molecular dynamics and the wave theory of light where the main text was based on a series of lectures given in 1884, Lord Kelvin discussed the potential number of stars around the Sun from the observed velocity dispersion of the stars near the Sun, assuming that ...
Há 22 horas · A phonograph record (also known as a gramophone record, especially in British English ), a vinyl record (for later varieties only), or simply a record or vinyl is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove. The groove usually starts near the outside edge and ends near the center of the disc.
Há 1 dia · The domesticated saffron crocus, Crocus sativus, is an autumn- flowering perennial plant unknown in the wild. It probably descends from the eastern Mediterranean autumn-flowering Crocus cartwrightianus which is also known as "wild saffron" [12] and is native to mainland Greece, Euboea, Crete, Skyros and some islands of the Cyclades. [13]
Há 22 horas · Zinc is an essential trace element for humans, [6] [7] [8] animals, [9] plants [10] and for microorganisms [11] and is necessary for prenatal and postnatal development. [12] It is the second most abundant trace metal in humans after iron, and the only metal which appears in all enzyme classes.
Há 1 dia · A cereal is a grass cultivated for its edible grain. Cereals are the world's largest crops, and are therefore staple foods. They include rice, wheat, rye, oats, barley, millet, and maize. Edible grains from other plant families, such as buckwheat and quinoa are pseudocereals.
Há 3 dias · Todas las noticias sobre Partido Conservador publicadas en EL PAÍS. Información, novedades y última hora sobre Partido Conservador.
Há 1 dia · In a wonderfully peaceful location on the outskirts of Maspalomas, this family-friendly pick is perfect for a relaxing sunshine break. With independent accommodation alongside great on-site facilities, the Caybeach Princess offers the best of both worlds for your Gran Canarian adventure. Plus, at just 15 minutes' stroll from Holiday World ...