5 ms·
The observable universe is simply what exists in our light cone - what can reach us before the space between is expanding faster than the speed of light. There
by jeremyjh 5y ago
The observable universe is simply what exists in our light cone - what can reach us before the space between is expanding faster than the speed of light. There is no reason to think there is anything special about us or our light cone and no reason to think things outside it would look different to an observer nearer to them.