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Pierre Janssen and the Discovery of Helium

Pierre Janssen and the Discovery of Helium

Harald Sack
When watching the total eclipse on August 18, 1868 in Madras, British India, French astronomer Pierre Janssen discovered the new chemical element Helium. Janssen also is credited with discovering the gaseous nature of the solar chromosphere. Youth and Education Janssen was born in Paris in 1824. An accident when he was young left him extremely lame and it is for this reason that he was unable to go to school. He studied at…
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astronomy
Joseph Norman Lockyer – a Pioneer of Modern Astrophysics and Founder of Archaeoastronomy

Joseph Norman Lockyer – a Pioneer of Modern Astrophysics and Founder of Archaeoastronomy

Tabea Tietz
On May 17, 1836, English astronomer Sir Joseph Norman Lockyer was born. Lockyer is regarded as one of the pioneers of modern astrophysics and founder of archaeoastronomy. Along with the French scientist Pierre Janssen, he is credited with discovering the gas helium. Lockyer also is remembered for being the founder and first editor of the influential journal Nature. “The nineteenth century will ever be known as the one in which the influences of…
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