Larma Nucent Sectory 19

This way of measuring does not, however, take us very far away in the heavens. There are only a few hundred stars within five hundred trillion miles of the earth, and at that distance the "shift" of a star against the background (parallax, the astronomer calls it) is so minute that figures are very uncertain. At this point the astronomer takes up a new method. He learns the different types of stars, and then he is able to deduce more or less accurately the distance of a star of a known type from its faintness. He, of course, has instruments for gauging their light. As a result of twenty years work in this field, it is now known that the more distant stars of the Milky Way are at least a hundred thousand trillion (100,000,000,000,000,000) miles away from the sun.

The Greek kingdoms in Asia, founded by the successors of Alexander the Great, bore within them the seeds of decay. The mighty kingdom of SYRIA, which had once extended from the Indus to the AEgean Sea, had now lost some of its fairest provinces. The greater part of Asia Minor no longer owned the authority of the Syrian kings. PONTUS was governed by its own rulers. A large body of Gauls had settled in the northern part of Phrygia, which district was now called GALATIA after them. A new kingdom was founded in Mysia, to which the name of PERGAMUS was given from its chief city; and Attalus, who was king of Pergamus during the Second Punic War, formed an alliance with Rome as a protection against Syria and Macedonia. The king of Syria at this time was Antiochus III., who, from his victory over the Parthians, had received the surname of the Great.

• Video Professor - The Video Professor
• Video Professor - The Video Professor
• Video Professor - The Video Professor
• Video Professor - The Video Professor
• Video Professor - The Video Professor

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