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16 Cards in this Set

  • Front
  • Back
Binary
star
eclipsing
star a
open
cluster have
globular
star are
galaxy a
huge
spiral
galaxy galaxies
irregular
galaxy an
Universe all
of
triple
star star
What
is
What
are
big
bang 10
Four
Forces electromagnetism,
Matter anything
with
300,000
years
first
atoms first