Thanks for the suggestion, I was not aware of "Blank!". What inspired me to write the comment is was thinking about time travel and how people in movies and st

Thanks for the suggestion, I was not aware of "Blank!". What inspired me to write the comment is was thinking about time travel and how people in movies and stories seems to always materialize on a nice level surface, somewhere in a building with the their feet exactly on the floor, in a nice meadow outside the city, on a sidewalk etc. Then, remembering how earth and galaxy move through space I thought how extremely hard would be to get a safe set of future spacetime coordinates to land on.