[Fester Chugabrew]

The light from no event that occured in the "lifespan of the first human observer(s)" in another galaxy will hit us before many millions of years have passed.

One cannot assert as much without making some large, unprovable, assumptions.

[AntiGuv]

One cannot assert as much without making some large, unprovable, assumptions.

How about you try listing a few of them.

[donh]

The light from no event that occured in the "lifespan of the first human observer(s)" in another galaxy will hit us before many millions of years have passed.

One cannot assert as much without making some large, unprovable, assumptions.

Natural science doesn't deal in proof. All of natural science and, for that matter, nearly all human reasoning, relies on unprovable assumptions.