Metadata
Author: WikiMatrix
Data
English[en]
The first evidence of helium was observed on August 18, 1868, as a bright yellow line with a wavelength of 587.49 nanometers in the spectrum of the chromosphere of the Sun.
Indonesian[id]
Bukti keberadaan helium pertama kali terpantau pada 18 Agustus 1868 berupa garis spektrum berwarna kuning cerah berpanjang gelombang 587,49 nanometer yang berasal dari spektrum kromosfer Matahari.