@cdarwin@c.im2026-03-15 23:56:34
When the Sun was born 4.6 billion years ago, the star was located more than 10,000 light-years closer to the center of the Milky Way from its current position.
Scientists know this based on the Sun’s composition of elements heavier than hydrogen and helium,
which is more consistent with the metals found within the inner regions of the galaxy.
The missing piece of the puzzle, however, was how the Sun managed to get past the Milky Way’s central bar
—a dense region that …
