Nov 21, 20191 min readThe Hubble constant: a mystery that keeps getting biggerhttps://www.theguardian.com/science/2019/nov/02/hubble-constant-mystery-that-keeps-getting-bigger-estimate-rate-expansion-universe-cosmology-cepheid?CMP=Share_iOSApp_Other
https://www.theguardian.com/science/2019/nov/02/hubble-constant-mystery-that-keeps-getting-bigger-estimate-rate-expansion-universe-cosmology-cepheid?CMP=Share_iOSApp_Other
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