Title: For an astronomer, what is the “water hole”?(a)A range of noise-free frequencies between the ... Post by: symbo on Mar 21, 2017 For an astronomer, what is the “water hole”?
(a) A range of noise-free frequencies between the microwave emission lines of hydrogen and hydroxyl (b) A range of noise-free frequencies near the 21-cm emission line of hydrogen (c) A gathering place for gnus Title: Re: For an astronomer, what is the “water hole”?(a)A range of noise-free frequencies between the ... Post by: discoverer on Mar 21, 2017 Content hidden
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