Johannes Franz Hartmann
Use attributes for filter ! | |
Gender | Male |
---|---|
Death | 88 years ago |
Date of birth | January 11,1865 |
Zodiac sign | Capricorn |
Born | Erfurt |
Germany | |
Date of died | September 13,1936 |
Died | Gottingen |
Germany | |
Field | Astronomy |
Discovered | 1029 La Plata |
965 Angelica | |
1254 Erfordia | |
Date of Reg. | |
Date of Upd. | |
ID | 977453 |
Johannes Franz Hartmann Life story
Johannes Franz Hartmann was a German physicist and astronomer. In 1904, while studying the spectroscopy of Delta Orionis he noticed that most of the spectrum had a shift, except the calcium lines, which he interpreted as indicating the presence of interstellar medium.