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The SIC went to Coimbra to see how the sun was photographed, in a space that began to work just 100 years ago, in 1926. The apparatus is called a spectro-heliograph, as Nuno Peixinho, deputy director of this space explains.
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The SIC went to Coimbra to see how the sun was photographed, in a space that began to work just 100 years ago, in 1926. The apparatus is called a spectro-heliograph, as Nuno Peixinho, deputy director of this space explains.