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Karma İngilizce Soruları 2 74. Soru
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74.
…………. . This instrument breaks down the light in a star into its component colours. Each colour represents one element that has become incandescent; that is, it has become so hot that it gives off light. Through the use of the spectroscope, it has been found that stars, including the Sun, have 66 of the 92 elements found on the Earth.
in this respect, stars differ from the moon and planets, which shine only by reflecting the Sun's light
Telescopes and sensitive photographic plates show that there are many millions of stars
The composition of the Sun, as well as that of other stars, is determined by means of a spectroscope
Because these elements have been heated to incandescence, stars are said to be self-luminous
In addition to the 92 naturally-occurring elements, twenty others have been produced in laboratories
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