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1 agos 1877 anni - Two Moons of Mars

Descrizione:

American astronomer Asaph Hall discovered the two moons of Mars using a 660 mm (26 in) telescope at the U.S. Naval Observatory and named the two satellites Phobos and Deimos.

Aggiunto al nastro di tempo:

Timeline of Mars Observation and Exploration

ByAlexandra Fustei
29 gen 2018
0
0
526

Data:

1 agos 1877 anni
Adesso
~ 146 years ago

Immagini:

Geo-marchi:

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