... Stars . ... I have come to the conclusion that Sirius was never red, based on . ... it may be noted that SIMA Qian predated Ptolemy by some two hundred years and since Sima Qian took Sirius as standard for white star, it is quite impossible for the star to have changed into red in the interim. ... Ancient Chinese sources stating unequivocally that Sirius was all the time white љcombined with the toppling of Ptolemy as a proponent of ?red Sirius? by Prof Schjellerup really weakens the ?red? ... Reply...