The botw tapestry and astronomy (art book spoilers)

Two things:

1) the ancient hero on the tapestry that we could never make sense of their appearance could be rauru with his dragon saiyan hair and yellow glowing hand (that we see on link in the ToTK teaser), and

2) if the blood moon has been a big deal (based on it being in the ToTK mural) throughout Ganon’s resurrections, all the astronomy stuff the sheikah were doing might make a lot more sense if they were trying to track it and it’s not a natural celestial body.