> Hyginus (Rome) and Sima Qian (China) independently report it two millennia ago as appearing like Saturn (B−V=1.09 ± 0.16 mag) in colour and ‘yellow’ (quantifi

> Hyginus (Rome) and Sima Qian (China) independently report it two millennia ago as appearing like Saturn (B−V=1.09 ± 0.16 mag) in colour and ‘yellow’ (quantifiable as B−V=0.95 ± 0.35 mag), respectively (together, 5.1σ different from today).