Columbia subject headings:
Cosmology--Miscellanea.
Powers of ten (Motion picture)
Harvard subject headings:
Cosmology--Miscellanea.
Cosmology.
Exponential functions.
Exponents (Algebra)
Powers of ten (Motion picture)
Space and time.
Trivia and miscellanea.
Universe.
Princeton subject headings:
Cosmology--Miscellanea.
Powers of ten (Motion picture)
Trivia and miscellanea.