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Janssen and Lockyer, 1868. Pierre Jules Cesar Janssen (1824-1907), French astronomerand
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Janssen and Lockyer, 1868. Pierre Jules Cesar Janssen (1824-1907), French astronomerand
Janssen and Lockyer, 1868. Pierre Jules Cesar Janssen (1824-1907), French astronomerand Joseph Norman Lockyer (1836-1920), English astronomer. In 1868 while making spectroscopic studies of solar prominences, working independently, both men observed a yellow line in the solar spectrum. Lockyer named it Helium from helios, sun. Reverse of a commemorative medal showing Phaeton driving his father Apollos chariot near the sun
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Media ID 9767881
© Universal History Archive/Universal Images Group
1824 1907 1868 Apollo Astronomer Astronomy Cesar Chariot Commemorative Driving Father Helios Joseph Jules Line Making Medal Named Norman Observed Pierre Reverse Scientist Solar Spectroscopy Spectrum Studies Working Yellow Helium Independently Janssen Lockyer Phaeton Prominences Spectroscopic Spectroscopist
EDITORS COMMENTS
This print captures the esteemed astronomers Pierre Jules Cesar Janssen and Joseph Norman Lockyer in 1868. Both men, working independently, were engrossed in their spectroscopic studies of solar prominences when they made a groundbreaking discovery. They observed a distinct yellow line within the solar spectrum that had never been seen before. Lockyer, with his keen sense of naming, christened this newfound element "Helium" derived from the Greek word helios meaning sun. This momentous observation marked a significant milestone in the field of astronomy and furthered our understanding of celestial bodies. The reverse side of this commemorative medal showcases Phaeton driving his father Apollo's chariot near the sun, symbolizing mankind's relentless pursuit to explore and unravel the mysteries of our universe. The medal serves as a testament to these brilliant scientists' dedication to their craft. Pierre Jules Cesar Janssen (1824-1907), an accomplished French astronomer, collaborated with English astronomer Joseph Norman Lockyer (1836-1920) during this remarkable period. Their independent yet simultaneous discovery not only solidified their place in history but also propelled the field of spectroscopy forward. This photograph is an invaluable piece from Universal Images Group (UIG), offering us a glimpse into the world-changing work conducted by these visionary astronomers over 150 years ago. It reminds us that scientific breakthroughs often arise through tireless exploration and collaboration between brilliant minds across borders and disciplines
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