33
/de/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
12002
1248
2
Public Timelines
FAQ Das Premium bekommen

31 Okt 1868 Jahr - A solar eclipse is also responsible for the discovery of helium. The first piece of evidence for the existence of the second lightest and the second most abundant element known to humans was discovered by the French astronomer Jules Janssen during a total solar eclipse o

Zugefügt zum Band der Zeit:

30 Aug 2017
0
0
577

Datum:

31 Okt 1868 Jahr
Jetzt
~ 157 years ago