I understand the concept of theoretical physics. But at the same time I do live a big lump of rock, and the model of “balls in a box” is logical when you consider earth, moons, stars etc. Always happy to educated, talked down to no so much.

Hmm. So does that mean the forces that keep particles “together” is getting weaker? Why are they distancing themselves from one another? Is the end game in sight when they no longer have any remaining bond and go there separate ways? Sounds like a friends marriage!

Can you please expand on that? No pun intended.

Far point. But just something is really really really big, doesn’t mean it’s infinite. I appreciate it sounds like a silly question, but I’m genuinely interest in people’s thoughts. If you traveled for long enough, on a completely linear path, what would happen? Where is Prof Brian Cox when you need him?!

1. Nope, Google isn’t based in my house, it’s head office is in California. I live in the UK. And having used it about 5 minutes ago, please don’t be concerned, it still works.

2. Oh dear. Yes space is a “near perfect vacuum”. Since you seem to have problems with Google, I’ve provided a helpful link What is Outer Space?

3. If it’s expanding is that because the quantity of matter is increasing (in conflict with the above law) or because things are getting bigger? I know my belly is growing with age, but I’m pretty sure earth is roughly the same size as when I started typing.

4. I’ll take that as a “NFI”.

Thank you for your contribution!