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单词 population III
释义

Definition of population III in English:

population III

noun
Astronomy
  • A hypothetical population of short-lived supermassive stars that may have existed before the period of galaxy formation, proposed in order to account for the observed metallicity of population II stars.

Origin

1960s; earliest use found in Science.

 
 

Definition of population III in US English:

population III

noun
Astronomy
  • A hypothetical population of short-lived supermassive stars that may have existed before the period of galaxy formation, proposed in order to account for the observed metallicity of population II stars.

Origin

1960s; earliest use found in Science.

 
 
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更新时间:2024/12/24 8:44:57