Triton is, with a diameter of 2,700 km, the largest of Neptune’s 13 moons. It is the only large moon in the Solar System with a retrograde orbit (an orbit in the opposite direction to its planet’s rotation), which cannot have formed out of the same region as Neptune, so it must have been captured from elsewhere. Because of its retrograde orbit and composition similar to Pluto’s, Triton is thought to have been captured from the Kuiper belt.

Triton is, with a diameter of 2,700 km, the largest of Neptune’s 13 moons. It is the only large moon in the Solar System with a retrograde orbit (an orbit in the opposite direction to its planet’s rotation), which cannot have formed out of the same region as Neptune, so it must have been captured from elsewhere. Because of its retrograde orbit and composition similar to Pluto’s, Triton is thought to have been captured from the Kuiper belt.

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Mercury, Venus, Earth, The Moon (Luna), Mars, Jupiter, Io, Europa, Ganymede, Callisto, Saturn, Enceladus, Titan, Iapetus, Hyperion, Uranus, Miranda, Neptune and Triton #Astronomy #planetary

Mercury, Venus, Earth, The Moon (Luna), Mars, Jupiter, Io, Europa, Ganymede, Callisto, Saturn, Enceladus, Titan, Iapetus, Hyperion, Uranus, Miranda, Neptune and Triton #Astronomy #planetary

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While living on Neptune's moon Triton, you'd be subjected to the coldest temperatures in the solar system, incredibly weak gravity and retrograde sunrises and sunsets. This image of Triton was taken by NASA's Voyager 2 spacecraft in 1989. -  Credit: NASA/JPL

While living on Neptune's moon Triton, you'd be subjected to the coldest temperatures in the solar system, incredibly weak gravity and retrograde sunrises and sunsets. This image of Triton was taken by NASA's Voyager 2 spacecraft in 1989. - Credit: NASA/JPL

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This color photo of Neptune's largest moon Triton was obtained by NASA's Voyager 2 probe on Aug. 24, 1989, from 330,000 miles away. The resolution is about 6.2 miles, sufficient to begin to show topographic detail.  CREDIT: NASA/JPL

This color photo of Neptune's largest moon Triton was obtained by NASA's Voyager 2 probe on Aug. 24, 1989, from 330,000 miles away. The resolution is about 6.2 miles, sufficient to begin to show topographic detail. CREDIT: NASA/JPL

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Triton (Voyager 2) [Wikipedia] is the largest natural satellite of the planet Neptune. It is the only large moon in the Solar System with a retrograde orbit, an orbit in the opposite direction to its planet's rotation.

Triton (Voyager 2) [Wikipedia] is the largest natural satellite of the planet Neptune. It is the only large moon in the Solar System with a retrograde orbit, an orbit in the opposite direction to its planet's rotation.

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Triton Moon Facts

Triton Moon Facts

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