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the semi-major axis is one of the most important orbital elements of an orbit, along with its orbital period. For Solar System objects, the semi-major...

Look up period or periodic in Wiktionary, the free dictionary. Period may refer to: Period (punctuation) Era, a length or span of time Menstruation, commonly...

differs from the sidereal period because the object's semi-major axis typically advances slowly. Also, the tropical period of Earth (a tropical year)...

Semi-deciduous or semi-evergreen is a botanical term which refers to plants that lose their foliage for a very short period, when old leaves fall off...

issued by the time of Hadrian (117–138 AD). In the early Imperial period, a semis could buy a cerae (wax writing tablet). Roman currency Wikimedia Commons...

In world-systems theory, the semi-periphery countries (sometimes referred to as just the semi-periphery) are the industrializing, mostly capitalist countries...

A semi-detached house (often abbreviated to semi) is a single-family duplex dwelling that shares one common wall with its neighbour. The name distinguishes...

The Sloop Period Faroese: Slupptíðin is a period in Faroese history, where the Faroese society transformed from a feudal society to a semi-industrial society...

In classical antiquity, the Hellenistic period covers the time in Greek history after Classical Greece, between the death of Alexander the Great in 323...

Semi-professional sports are sports in which athletes are not participating on a full-time basis, but still receive some payment. Semi-professionals are...

Vedic Period was a Bronze Age culture whereas the Late Vedic Period was an Iron Age culture.[citation needed] The transition of Vedic society from semi-nomadic...

A semi-presidential republic, or dual executive republic, is a republic in which a president exists alongside a prime minister and a cabinet, with the...

In Japanese history, the Jōmon period (縄文時代, Jōmon jidai) is the time between c. 14,000 and 300 BC, during which Japan was inhabited by a diverse hunter-gatherer...

various semi-automatic rifles designed between 1918 and 1935. Other nations experimented with self-loading rifles during the interwar period, including...

include 26 uppercase letters, 10 numbers, dash and period. Their shapes and dimensions are specified by SEMI M12/M13 standard, which was approved by Global...

In the history of the 20th century, the interwar period (or interbellum) lasted from 11 November 1918 to 1 September 1939 (20 years, 9 months, 21 days)...

The Ubaid period (c. 5500–3700 BC) is a prehistoric period of Mesopotamia. The name derives from Tell al-'Ubaid where the earliest large excavation of...

The Uruk period (c. 4000 to 3100 BC; also known as Protoliterate period) existed from the protohistoric Chalcolithic to Early Bronze Age period in the history...

The Spring and Autumn period (c. 770 – c. 481 BCE) was a period in Chinese history corresponding roughly to the first half of the Eastern Zhou (c. 771 –...

A flexitarian diet, also called a semi-vegetarian or fauxtarian diet, is one that is centered on plant foods with limited or occasional inclusion of meat...