Leavitt's discovery of a way to accurately measure distances on an inter-galactic scale, paved the way for modern astronomy's understanding of the structure and scale of the universe. Chaidh na coileanaidhean aig Edwin Hubble, an rionnagadair Ameireaganach a stèidhich gu bheil an cruinne-cè a' leudachadh, a dhèanamh comasach le rannsachadh ùr-nodha Leavitt's.
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