The European Southern Observatory’s illustrations of this group’s dynamics are worth a look.
Take that, Flat Earthers.
See the impressive composite image attached to the Royal Astronomical Society’s press release.
Regarding general relativity — 2018 will give us a glimpse of gravitation’s effect on a star that passes just 17 light hours distance from the black hole at the center of the Milky Way. The orbiting sun will be traveling at about 2.5 percent of the speed of light.
Chirality appears to be necessary for life (as we know it) — so this discovery may have more than “ho-hum” merit.