A Ninety-Degree Arc
In 2492, we might see a ninety-degree arch or all eight planets in our Solar System. Belgian astronomer Jean Meeus predicts that the orbits of all eight planets and Pluto will be within the same 90° arc of the Solar System. Even though this has not happened during our lifetime, it’s something that could happen in the future.
It has been thousands of years since this occurred. The last time this is believed to have occurred was on February 1, 949. Unfortunately, we won’t be alive for this 25th-century alignment, so we can only predict this will happen. At the very least, imagining this alignment is spectacular (Wiki).