>>Light takes longer to get here because space is expanding?
>>
>>Nah. You really believe that?
>
>I'm sure I'm over simplifying it, but wouldn't it take something longer to reach a destination in one direction if it is already moving in another?


Yes, it would.

But it would also take longer if the light just happened to slow down after 650 million light years.

That makes much more sense.

That's what's really going on.

The scientists refuse to believe that, so they invent extra space for the light to travel.