Complex sentence: One of the characters suggests this is incompatible with the Big Bang theory, thus it may be that Hoyle was hinting at his own Steady State theory of the existence of the universe, which has since been disproved by the discovery of cosmic background radiation.
Split into simpler sentences: One of the characters suggests this is incompatible with the Big Bang theory. Thus it may be that Hoyle was hinting at his own Steady State theory of the existence of the universe, which has since been disproved by the discovery of cosmic background radiation.