contestada

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.

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 u class=