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单词 Pandora
释义
Pandora

Astronomy
  • The fifth-closest satellite of Saturn, distance 141 810 km, orbital period 0.629 days; also known as Saturn XVII. It was discovered in 1980 on images from Voyager 1, between Saturn’s F and G Rings. Pandora is irregularly shaped, 104 × 81 × 64 km in size. Its lightly cratered surface appears to have a thin cover of dust, softening the outlines of craters and ridges. Pandora is the outer shepherd moon of the F Ring.


Geology and Earth Sciences
  • One of the lesser satellites of Saturn, discovered in 1980 by Voyager 1, with a radius measuring 55 × 44 × 31 km; mass 0.0013 × 1020 kg; mean density 420 kg/m3; visual albedo 0.9.


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