Population I

专有名词
中文释义

英文释义

专有名词
  1. A population or group of stars formed relatively late in the history of the Universe, characterized by having a high metallicity. attributive,usually
    — We generally place stars into one of three populations based on their metallicity. Population I stars like the Sun are metal heavy. They are younger stars and tend to be found in the spiral arms of the Milky Way.

词形变化

population I alternative

词源

Proposed by astronomer Walter Baade in 1944.
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