Ultimately, knowledge has that same limitation on the speed of light. This applies even when trying to take quantum entanglement collapses as an "instant" state change.
But yes, you'd basically have two networks and it'd jump between them as chains get longer between planets which would be a mess. I do agree you'd basically need different networks.
ETH stakers be like
The #Ethereum network upgrade has been completed.
Outcome: #ETH hits 2,000 USD.

Just use Taiwanese dollars instead of US Dollars. Then you can be a millionaire for the cheap cheap price of just over 1 BTC!
What's Up?
#bitcoin price hits 30,000 USD!
That's what's up this morning.
The banking contagion has spread to Europe now with markets being unimpressed with the #CreditSuisse bail-out.
#Bitcoin is fine, and where we're going, we don't need any bailouts, bonds, or banks.

