In Gravity, George Clooney’s character wasn’t her husband and it was he who drifted away. But other than that, it’s a pretty common interpretation that this is the same thing that happened to Sandra Bullock’s character. That she died and the ending on Earth was her already being dead. This comic is basically a summary of the movie.
Spoiler for the movie Gravity:
In Gravity, George Clooney’s character wasn’t her husband and it was he who drifted away. But other than that, it’s a pretty common interpretation that this is the same thing that happened to Sandra Bullock’s character. That she died and the ending on Earth was her already being dead. This comic is basically a summary of the movie.
That’s the only way any of the physics in that movie make sense.