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1 gen 1917 anni - Adriaan Van Maanen makes the first observation of an exoplanet, then not recognised as such.

Descrizione:

Adriaan Van Maanen was a Dutch-American astronomer. Strangely enough, he was known for faulty results due to his device, a stereo blink comparator, using 10-20-year-old plates.

Aggiunto al nastro di tempo:

Space

ByDarren GUAN
9 dic 2019
0
0
409

Data:

1 gen 1917 anni
Adesso
~ 108 years ago

Immagini:

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