I think that's a cool idea for a story. It also addresses the question of "if time travel were possible, wouldn't we have seen some time travellers by now?" Per

I think that's a cool idea for a story. It also addresses the question of "if time travel were possible, wouldn't we have seen some time travellers by now?" Perhaps somewhere out there in space is a graveyard of time travellers who ended up landing in the empty void that the Earth once occupied in the time they were travelling to.