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HistoryOne small ahaHistorical figure

This astronomer worked with Kent Ford on galaxy rotation measurements that strengthened the evidence for dark matter.

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HistoryOne small aha
Your new ahaVera Rubin

Rubin studied how orbital speeds vary with distance from a galaxy's centre. Source: Vera Rubin: institutional biography ↗

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    Noether's contributions also transformed abstract algebra.

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  3. 31India's first woman prime minister led the country during the 1971 war with Pakistan.RECALL
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