The day was remembered due to the red sun radiation in the air and a rainfall of blood.

The first major difference easily noticed are the three suns: a yellow sun, a blue sun and a red sun.

The writing usually flowed out sideways in a rayed pattern away from the red sun.

Under a red sun, their powers rapidly vanish.

Only later did she transform those early fantasy writings into science fiction by relocating them from a parallel earth to a distant world under a red sun.