Space Exploration

Asaph Hall Discovers Mars's Moon Phobos

American astronomer Asaph Hall discovered Phobos, one of the two moons of Mars, while conducting detailed observations of the planet at the US Naval Observatory in Washington, D.C. Hall undertook this groundbreaking work to deepen understanding of celestial bodies, using a telescopic method that allowed him to meticulously track the movements of Mars and its surroundings. The discovery was significant as Phobos is one of the largest and nearest moons to Earth and provided essential insights into the characteristics of Martian satellites.

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