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jan 1, 1877 - Asaph Hall

Description:

Asaph Hall discovered the two moons of Mars, later named Deimos and Phobos. Further refined maps were published with greater detail.

Added to timeline:

Mars: A Timeline of Observation

ByMoses Havel
29 Jan 2018

Date:

jan 1, 1877
Now
~ 147 years ago

Images:

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