Which one does not play an important factor in promoting human curiosity or philosophizing in Greek context?

Philosophy in etymological definition means:

It is the process of understanding of reality, that which philosophers in the past have tried to understand, their concerns become our concerns and their questions become our questions, their answers become our answers.

The Pre-socratics began the philosophical period. Which of the following does not characterize this period?

1.The lensing of a distant quasar is produced by ________ of a foreground galaxy.

1.A merger between a small elliptical galaxy and a large spiral galaxy will most likely result in

1.The pregalactic blobs had masses similar to

1.Galaxies evolve by

1.Astronomers believe that a spiral galaxy may form

1.Active galaxies are having their central engines temporarily fed by what occurrence?