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And.... I have to point out,
he waxes lyrical about a new class of low mass galaxy which implicitly is beyond the reach of all other instruments.... then uses images taken through a reflective telescope (Keck) for confirmation... in the form of a measure of its recessional velocity derived from its spectrum no less...
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So his smaller cluster of telescopes can detect what a giant telescope cannot BUT can get a spectrum on... Which requires 10-1000x the photon count to do?
Sounds perfectly logical to me
