[andyp-kw]

I'd like to think that we'll be interplanetary by then.

Heck, it would be nice to terraform Mars before then.

[xlance]

250 million years is an unimaginably long period, during which we would either be deceased or far beyond the boundaries of our solar system.

Using the technological advancements of the past 100 years as an indicator, we will have terraformed Mars long before then.

[iancmceachern]

So long and thanks for all the fish!