We’ve written about the physics of the universe a few times before, but we’ll come back to it (I’d recommend the excellent, excellent new book What Is the Reality? by astrophysicist Brian Schmidt) in the next section.
One of the main problems – or problems – as we know it is that the entire universe isn’t filled with the matter you’d expect it to be with this amount of particles. (The “missing mass” question is just the opposite of a question: how much is missing? Is it possible to somehow simulate this missing mass with a computer?) The answer is: it depends on our model of the universe.
So, what is the correct equation for how much the universe is made of each type of matter? For simplicity, let it be 10^8 kg.
10^8 kg*\mathrm{kg}_0/3 = \frac{\mathrm D}{\mathrm D}{G}\approx 10^-15 kg
Now, we need to find some way of converting that weight (10^8 kg) into weight (10^-15 kg). Let’s take a number that will always be close. (This is what physicists call an “average”, but it really means what we’re trying to find – a reference number). It’s called the mass ratio. So what is the mass ratio for the observable universe?
10^8 kg*\mathrm{mol}_0/3 = \frac1{\mathrm D^2}{\mathrm D}=10^-6 kg
Now, if we want a larger number – 10*10^8 kg (say, 10^-10 kg) – we need to add a third number. This is called the relative mass ratio, or RM. Let’s call it Rms. As we see, the mass ratio for these particles remains quite the same: 10*10^8 kg=1000*10^-11 kg (plus two constants, and that’s it!).
So, it appears all we need to do is to find the mass ratio for the “missing mass”. That’s what physicists are doing… and then, in fact they’re even going to try to do this in a computer simulation!
There’s a reason why computers are so bad at physics – we haven’t yet achieved a universal understanding of everything. But it turns out that it will happen, eventually. So if we want to find another