New Hampshire Astronomical SocietyAugust 16th in Astronomy and Space Science
 | 1920 | British astronomer Joseph Lockyer dies. He made some of the first observations of the sun using a prism to investigate the solar spectrum. In the spectrum he found "an element not found on Earth" which he named after the Latin word for Sun: Helios. Helium was finally found on Earth 27 years later. He was also one of the first to observe solar prominences, originated the name chromosphere for the visible surface of the sun, and founded the scientific journal Nature. |
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