The Evolving Universe and the Origin of Life by Pekka Teerikorpi & Mauri Valtonen & Kirsi Lehto & Harry Lehto & Gene Byrd & Arthur Chernin

Author:Pekka Teerikorpi & Mauri Valtonen & Kirsi Lehto & Harry Lehto & Gene Byrd & Arthur Chernin
Language: eng
Format: epub
ISBN: 9783030179212
Publisher: Springer International Publishing

Astrophysics Is Born

As mentioned in Chap. 15, Gustav Kirchhoff and Robert Bunsen studied the spectrum of the Sun and identified several lines of known elements. A few years earlier, a wealthy amateur William Huggins had built an observatory by his house near London. When he heard of Kirchhoff’s work, he got the exciting idea of extending the spectroscopic studies from the Sun to stars and nebulae. He built a spectroscope for his telescope and started observations (Fig. 21.6).

Fig. 21.6 William Huggins (1824–1910)—the founder of astrophysical spectroscopy. He was the first one to measure the radial velocity of a star from its spectrum. He also discovered that the spectrum of a planetary nebula resembles the emission line spectrum of a cloud of gas

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