English
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Reading - 001English/GRE 2024. 1. 6. 21:38
The dark regions in the starry night sky are not pockets in the universe that are devoid of stars as had long been thought. Stars can be far enough from Earth to be obscured even by very sparesely distributed matter. The inward force of gravity is balanced by the generation of heat. Thus, ethologists can accomplish little-beyond reminding us that we are animals until they study humans as cultura..