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Geography, 30.03.2020 21:49 webbjalia04

Choose the correct variant in brackets. The current theory for star formation is that stars form within ( giant molecular / dwarf ionized ) clouds. Stars form where there are ( diffuse regions / dense cores ) within clumps of gas and dust in these clouds. The formation of ( an earth-like planet / a protostar / a black hole ) involves the rapid collapse of infalling gas onto a dense core due to gravity. As a protostar shrinks, its rate of spin ( decreases / increases ). This allows subsequent infalling gas to accumulate at the ( poles / equator ) of the protostar; this material tends not to accummulate at the protostar's ( poles / equator ) due to its spinning motion. As the protostar continues to evolve, it emits infrared radiation. When it has nearly reached its final mass, it is called a ( neutron star / Wolf-Rayet star / T Tauri star ). These objects produce strong stellar winds.

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