Lydgate, Anthony«Catching dust - A changing NASA visits an asteriod, seeking the key to life's beginning»(en anglès).The New Yorker,23-09-2016[Consulta: 23 maig 2021].«[The ancient Egyptians believed that] [u]pon the mound stood the sun god Atum, who summoned the cosmos into being […] Atum had two children, who had two children of their own: Geb, the earth, and Nut, the sky.»