150th anniversary: American astronomer Asaph Hall discovered Phobos, the larger of Mars's two...
History · Anniversaries · Wed, August 18, 2027
1877: American astronomer Asaph Hall discovered Phobos, the larger of Mars's two moons, six days after discovering Deimos, the smaller one.
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 150 years (1877 to 2027).
- Recurs
- annual
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- Changes
- None recorded.
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