(Encyclopedia) sidereal time (ST), time measured relative to the fixed stars; thus, the sidereal day is the period during which the earth completes one rotation on its axis so that some chosen star…
Emma Goldman was a social and political activist and the founder of the anarchist publication Mother Earth in the early 20th century. A Jewish immigrant by way of Russia and Germany, she involved…
Sun, Moon & Stars Movement of the heavenly bodies: June 2001
Celestial links · Visibility of the Planets · Sunrise/Sunset, Moonrise/Moonset · Equinoxes and Solstices · …
Tales Of The TitanicClassical MythologyTales Of The TitanicA Titanic StruggleClash of the Titans No doubt about it, the Creation, was a monumental feat. One might have thought that Gaia, Mother…
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Worldwide pattern of earthquake activity: The dots indicate the epicenters of all earthquakes recorded during a recent 10-year period.
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earthquake, trembling or shaking…
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Continental drift (arrows indicate the directions of motion of the landmasses)
A. Proposed reconstruction of the supercontinent Pangaea indicating the major present landmasses
B…
(Encyclopedia) Mercury, in astronomy, nearest planet to the sun, at a mean distance of 36 million mi (58 million km); its period of revolution is 88 days. Mercury passes through phases similar to…
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The trigonometric parallax of a star, expressed by the angle θ, is a measure of its apparent motion against the background of more distant stars as a result of the earth's…
Jaden Smith made his movie debut in the 2006 drama The Pursuit of Happyness (2006), playing the son of his real-life father, actor Will Smith. The son of Will Smith and actress Jada Pinkett Smith,…
