Pierre Janssen

French astronomer and mathematician, solar studies

Pierre Janssen - Scientists & Innovators born February 22nd, 1824
Born
Died

1907
119 years ago — 83 years old

Category

Scientists & Innovators

Country

France

Links & References

Born in 1824, an astronomer and mathematician contributed to the field of solar research. Developed a method for studying the solar spectrum using a spectroscope and discovered helium in the solar atmosphere. Participated in the 1868 solar eclipse expedition to India, which provided significant observations. Served as a professor and participated in various scientific societies throughout his career.

Discovered helium in the solar atmosphere

Conducted solar research using spectroscopes

Participated in solar eclipse expedition of 1868

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