Why is the Universe Fine-Tuned?
First, there’s a very, VERY weird thing about the place we live in – something so weird and profound it sends shivers down your spine. For in fact, the Universe seems to be ‘fine-tuned’ to make life possible!
The British cosmologist Fred Hoyle was the first to realise this is no coincidence. A very peculiar thing about the fundamental constants is that they appear to have exactly the right values. If they were slightly smaller or bigger, atoms, stars, planets and people simply wouldn’t exist!
Take the strong force inside atomic nuclei. If the force were just slightly stronger, it would boost up the burning of stars so much, that they would explode only seconds after they were formed. We wouldn’t have a sun – or even a planet. If on the other hand the force were a tad weaker, it would be too weak to hold together elements like the heavy hydrogen isotope deuterium. Stars wouldn’t light up. And we wouldn’t be here either.
Astonishingly, the same goes for all other constants. As the famous British astronomer Martin Rees put it: “Wherever we look, we see examples of fine-tuning. Most of the physical constants and the initial conditions of the Universe examined so far appear to be fine-tuned to some extent.”
Er..Duh. This blurb is from Exit Mundi (see link in sidebar, or above title). I am amazed at the extreme explanations people will come up with to avoid saying God exists. Oh why didn't I think of this before, I'm a Sim in a game tweaked by aliens.