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Dyson, Sir Frank

British astronomer

born January 8, 1868, Measham, near Ashby-de-la-Zouch, Leicestershire, England

died May 25, 1939, at sea, en route from Australia to England

British astronomer who in 1919 organized observations of stars near the Sun, which provided evidence supporting Einstein's prediction of the bending of light in a gravitational field.

In 1894 Dyson became chief assistant at the Royal Greenwich Observatory and was a member of eclipse expeditions to Portugal (1900), Sumatra (1901), and Tunisia (1905). His observations of the corona and chromosphere of the Sun were published in Determination of Wave-Lengths from Spectra Obtained at the Total Solar Eclipses of 1900, 1901, and 1905 (1906). Dyson was elected a fellow of the Royal Society of London in 1901, and in 1905 he was appointed Astronomer Royal for Scotland. He returned to Greenwich in 1910 to become the ninth Astronomer Royal of England, and five years later he was knighted. In 1921 he was honoured for his investigations of the distribution and movements of stars and the relationship of these to the structure of the Galaxy. Dyson's Eclipses of the Sun and Moon (1937) was written with Richard van der Riet Woolley.

词条	Dyson, Sir Frank
释义	Dyson, Sir Frank British astronomer born January 8, 1868, Measham, near Ashby-de-la-Zouch, Leicestershire, England died May 25, 1939, at sea, en route from Australia to England British astronomer who in 1919 organized observations of stars near the Sun, which provided evidence supporting Einstein's prediction of the bending of light in a gravitational field. In 1894 Dyson became chief assistant at the Royal Greenwich Observatory and was a member of eclipse expeditions to Portugal (1900), Sumatra (1901), and Tunisia (1905). His observations of the corona and chromosphere of the Sun were published in Determination of Wave-Lengths from Spectra Obtained at the Total Solar Eclipses of 1900, 1901, and 1905 (1906). Dyson was elected a fellow of the Royal Society of London in 1901, and in 1905 he was appointed Astronomer Royal for Scotland. He returned to Greenwich in 1910 to become the ninth Astronomer Royal of England, and five years later he was knighted. In 1921 he was honoured for his investigations of the distribution and movements of stars and the relationship of these to the structure of the Galaxy. Dyson's Eclipses of the Sun and Moon (1937) was written with Richard van der Riet Woolley.
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