verhält sich relativitätstheoriekonform.
Oder, mit den Worten von Kottke:
„I’ve watched this video [link] like 20 times today, my mind blown at being able to observe the motion of these massive objects from such a distance. […]
S2 has the mass of about 15 suns. That’s 6.6 × 10^31 pounds moving at 3% of the speed of light. Wowowow.“