Henri Alexandre Deslandres
Henri Alexandre Deslandres ForMemRS was a French astronomer, director of the Meudon and Paris Observatories, who carried out intensive studies on the behaviour of the atmosphere of the Sun.
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Source: Wikipedia
Henri Alexandre Deslandres ForMemRS was a French astronomer, director of the Meudon and Paris Observatories, who carried out intensive studies on the behaviour of the atmosphere of the Sun.
NA
Source: Wikipedia