The
____________________
theory
defends
that
the
Earth
is
at
the
centre
of
the
universe
and
the
planets
and
the
____________________
revolve
around
it
in
circular
orbits
.
____________________
and
____________________
developed
that
theory
.
On
the
other
hand
,
the
____________________
theory
states
that
the
Sun
is
at
the
centre
of
the
universe
and
the
____________________
and
other
planets
revolve
around
it
in
circular
orbits
.
Only
____________________
revolve
around
the
planets
.
Earth´s
satellite
is
the
____________________
.
Nicolas
____________________
,
Galileo
____________________
and
Johannes
____________________
were
great
defenders
of
the
____________________
theory
.
