Tag:astronomer asaph hall discovered phobos moon of mars 1877

Asaph Hall finds Mars moon Phobos 147 years ago

August 17, 1877: Asaph Corridor discovers Phobos On August 17, 147 years in the past, American astronomer Asaph Hall found the primary identified moon...

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See 6 planets in late August and early September

See 6 planets earlier than dawn Possibly you’ve already seen Jupiter and Mars within the morning sky? They’re simply...

Voyager 2: Our 1st and last visit to Neptune

Reprinted from NASA. Voyager 2 passes by Neptune, 35 years in the past Thirty-five years in the past, on August...

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