Complete these sentences by matching the phrases below.
The heat left
over from the
beginning of the
universe is:
?
The prevailing
idea about the
beginning of the
universe is
called:
The speed of
stars can be
measured using
Scientists
recreate early
conditions of the
universe using:
?
the Doppler effect.
cosmic microwave
background radiation.
particle accelerators.
the Big Bang theory.
