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Topic: Aristarchus

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	Aristarchus Ltd Cranes Tower, Self-erecting, Lifting Equipment, Hoists, Lifts, Mixers, Self-loading, Concrete
		Aristarchus* Ltd. is a highly innovative company based in the European Union and dealing worldwide with cranes, lifting and construction equipment made in the EU according to high European Standards.
		*Aristarchus (310 BC - 230 BC) was the most renowned astrophysician of the ancient times, born on the island of Samos, in ancient Greece.
		He was the first astronomer to propose a heliocentric model of the solar system, placing the Sun, not the Earth, at the center of the known universe.
	www.aristarchus.eu (344 words)

	Aristarchus (Site not responding. Last check: )
		Aristarchus determined that at this precise moment the angular separation between the moon and the sun, that is, the angle from Moon to Earth to Sun, is equal to 87 degrees, as he stated in his fourth hypothesis.
		In terms of heliocentricity or the movement of the earth, the only person to follow Aristarchus' philosophy was Seleucus, who in 150 BC attributed the ocean tides to the stirring of air caused by the rotation of the earth and its interaction with the revolution of the moon.
		Overall, Aristarchus was a pioneer both in his depiction of the universe and his geometric approach to the measurement of the heavenly bodies.
	www.perseus.tufts.edu /GreekScience/Students/Kristen/Aristarchus.html (1003 words)

	Aristarchus of Samos - Encyclopedia.com
		Other conclusions in which he seems to have anticipated later scientists are that the sun is larger than the earth, that the earth rotates upon its axis causing day and night, and that its axis is inclined to the plane of the ecliptic, causing the change of seasons.
		Aristarchus estimated the distance of the Sun from the Earth by...
		THE SUN Title holder: Nicolai Copernicus Rival: Aristarchus of Samos The belief that the Earth was the centre of the...
	www.encyclopedia.com /doc/1E1-AristarAst.html (1014 words)

	Aristarchus biography
		Aristarchus was certainly both a mathematician and astronomer and he is most celebrated as the first to propose a sun-centred universe.
		Aristarchus was a student of Strato of Lampsacus, who was head of Aristotle's Lyceum.
		In fact the way that Aristarchus expresses his proportions is, according to Heath, similar to other expressions which occur in Greek writings and indicated that Aristarchus considered that the radius of the sphere of the fixed stars was infinitely large compared with the orbit of the earth.
	www-history.mcs.st-andrews.ac.uk /Biographies/Aristarchus.html (1584 words)

	Reference.com/Encyclopedia/Aristarchus of Samos
		Aristarchus thus believed the stars to be very far away, and saw this as the reason why there was no visible parallax, that is, an observed movement of the stars relative to each other as the Earth moved around the Sun.
		Aristarchus claimed to have observed that at half moon (first or last quarter moon), the angle between sun and moon was 87°.
		Aristarchus of Samos - The Ancient Copernicus, A history of Greek astronomy to Aristarchus together with Aristarchus' treatise on the sizes and distances of the sun and moon, a new Greek text with translation and notes.
	www.reference.com /browse/wiki/Aristarchus_of_Samos (1130 words)

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