droefkalkoen t1_j1hw2x3 wrote
Reply to comment by Implausibilibuddy in Can the Doppler effect make sounds inaudible by shifting frequencies out of human hearing range? Or vice versa? by IonnoFry
To add to this: this is why the James Webb-telescope is such a great tool. It can 'see' much longer wavelengths and therefore can see more distant stuff.
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