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单词 apparent magnitude
释义

apparent magnitude

noun Astronomy
The magnitude of a celestial object as it is actually measured from the earth. Compare with absolute magnitude.Having such a metric obviates a major analytic problem caused by discrete characters, which is that units of the same apparent magnitude are not necessarily equivalent....
  • That is, it would be 84,000 times as faint as Quaoar, making its apparent magnitude + 30.8.
  • Sol at - 26.74 apparent magnitude is the brightest star as seen from Earth.
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更新时间:2024/12/23 9:08:44