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Halley's Comet (1P/Halley)

The most famous periodic comet, returning about every 75 to 76 years.

NASA/W. Liller

Itangira Inyuma, na.

Edmond Halley realised in 1705 that comets seen in 1531, 1607 and 1682 were the same object and predicted its return in 1758. i Itangira Nka.

Its orbit is very eccentric (e ≈ 0.97) and retrograde. It last passed the Sun in 1986, when the ESA Giotto spacecraft flew close to its nucleus, and will return in 2061.

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