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Jul. 07, 1957 - Czechoslovakia Participates In The International Geophysical Year. The Astronomic Institute at Ondrejov, near Prague - is one of the stations talking part in the International Geophysical Year. Chromospheric eruptions of solar activity, have been observed there by means of a spectro-helioscope - since 1948. During these nine year a more than 1, 300 eruptions have been observed from the Institute. In addition to visual observation - photographs are also being taken. Keystone Photo Shows:- Blazena Ruzickova, scientific worker of the Institute - photographing the photosphere at the Solar department near Prague

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13182305

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46923373

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3608px x 4891px (810KB)

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Addition Astronomic Eruptions Geophysical Means Observed Participates Photographing Photosphere Solar

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