The sun itself may get ejected into intergalactic space when the Milky Way merges with Andromeda. (< 5 billion years from now)
Earth will probably be totally engulfed by the sun when it goes red giant, or it might not in which case presumably it will continue orbiting. (7.59 billion years from now)
By 100 billion–1 trillion years from now all galaxies in the local group are expected to have merged, so there will probably be other opportunities for the sun to get yeeted into intergalactic space.
By 10–100 quintillion it's expected that 90-99% of all stellar remnants will be ejected.
Finally, at 10^30 (1 nonillion) years from now, we get this gem:
Estimated time until most or all of the remaining 1–10% of stellar remnants not ejected from galaxies fall into their galaxies' central supermassive black holes. By this point, with binary stars having fallen into each other, and planets into their stars, via emission of gravitational radiation, only solitary objects (stellar remnants, brown dwarfs, ejected planetary-mass objects, black holes) will remain in the universe.
One thing to keep in mind though is that by the time our sun gets sucked into a black hole, the galaxy will have merged so it may very well be a different black hole, or this paticular black hole may have merged with multiple other ones.
The sun itself may get ejected into intergalactic space when the Milky Way merges with Andromeda. (< 5 billion years from now)
Earth will probably be totally engulfed by the sun when it goes red giant, or it might not in which case presumably it will continue orbiting. (7.59 billion years from now)
By 100 billion–1 trillion years from now all galaxies in the local group are expected to have merged, so there will probably be other opportunities for the sun to get yeeted into intergalactic space.
By 10–100 quintillion it's expected that 90-99% of all stellar remnants will be ejected.
Finally, at 10^30 (1 nonillion) years from now, we get this gem: Estimated time until most or all of the remaining 1–10% of stellar remnants not ejected from galaxies fall into their galaxies' central supermassive black holes. By this point, with binary stars having fallen into each other, and planets into their stars, via emission of gravitational radiation, only solitary objects (stellar remnants, brown dwarfs, ejected planetary-mass objects, black holes) will remain in the universe.
One thing to keep in mind though is that by the time our sun gets sucked into a black hole, the galaxy will have merged so it may very well be a different black hole, or this paticular black hole may have merged with multiple other ones.