事件
The element later named as helium is first detected in the spectrum of the Sun's chromosphere, by French astronomer Jules Janssen
1868年8月18日 · 10.60° N, 102.20° E
记录中的内容
- 时间
- 1868年8月18日
- 类型
- 事件
- 坐标
- 10.60° N, 102.20° E
标注位置：coordinates of the event it links, Solar eclipse of August 18, 1868。
摘要
The element later named as helium is first detected in the spectrum of the Sun's chromosphere, by French astronomer Jules Janssen, during a total eclipse in Guntur, British India, but is assumed to be sodium.
Solar eclipse of August 18, 1868
Total eclipse named after Rama IV of Siam
A total solar eclipse occurred at the Moon's ascending node of orbit on Tuesday, August 18, 1868, with a magnitude of 1.0756. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth.
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- Wikipedia year pages (English), by Wikipedia contributorsWikipedia contributorsCreative Commons Attribution-ShareAlike 4.0来源页面
- Wikipedia year pages (German), by Wikipedia contributorsWikipedia contributors · 称之为“Der französische Astronom Jules Janssen entdeckt in Indien während einer Sonnenfinsternis eine einem bisher unbekannten Element zuzuordnende Emissionslinie in…”Creative Commons Attribution-ShareAlike 4.0来源页面