查看完整版本 : astronomy and space science

dodge_viper 2017-12-2 01:43 AM

astronomy and space science

Given that a typical galaxy in the form of a circular disc is of diameter 10^5 lay and thickness 10^3 lay containing about 10^11 stars, estimate the average separation between two neighbouring stars within the galaxy assuming that the stars are uniformly distributed.
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查看完整版本: astronomy and space science