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an astronomer wants to observe a cloud of cold neutral (not ionized) hydrogen, far away from any stars. what would be an instrument that could help in this task?
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Sep 17, 2023
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an astronomer wants to observe a cloud of cold neutral (not ionized) hydrogen, far away from any stars. what would be an instrument that could help in this task?
Physics
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Akila Arasan
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A radio telescope, tuned to a wavelength of about 21 centimeters.
Vedat
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Sep 23, 2023
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