Stars Don’t Stand Still

It’s funny to think of the sun as not being stationary, but it seems that over time it moves its position through the galaxy:

Stars Migrate Through Galaxies, Study Suggests

“About half the stars in our celestial neighborhood may have traveled great distances through the Milky Way, according to a new study, which suggests our sun may be one of them. People have generally assumed that once a star forms inside a galactic disk, it stays in a more or less fixed orbit around the center of its galaxy, said lead study author Rok Roškar, a graduate student in astronomy at the University of Washington in Seattle.”