Neptune's mysterious moon Nereid may be an original, study shows

CAPE CANAVERAL, Fla. — Neptune’s far-flung moon Nereid may be the last of the planet’s original companions that managed to survive a cosmic crash, scientists reported Wednesday. Sixteen known moons circle Neptune, our solar system’s eighth and most distant planet. Neptune’s biggest moon, Triton, barged in from the solar system’s frigid outskirts billions of years ago, scattering the planet’s original moons and putting them on destructive collision courses. A team led by the California Institute of Technology used NASA’s Webb Space Telescope to study Nereid. Their observations suggest that Nereid is no party crasher like Triton and likely survived by […]... Keep on reading: Neptune's mysterious moon Nereid may be an original, study shows

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