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Could we be detected from Alpha Centauri? - Cosmoquest Forum
Member List; Calendar; Forum; Science and Space; Life in Space; If this is your first visit, be sure to check out the FAQ by clicking the link above.
How do we determine if a theory is Valid? - Cosmoquest Forum
Member List; Calendar; Forum; Science and Space; Space/Astronomy Questions and Answers; If this is your first visit, be sure to check out the FAQ by clicking the link above.