天市右垣十一(蛇夫座ζ):一颗有着复杂过去的恒星
Zeta Ophiuchi is a star with a complicated past, having likely been ejected from its birthplace by a powerful stellar explosion. A new look by NASA’s Chandra X-ray Observatory helps tell more of the story of this runaway star. Located about 440 light-years from Earth, Zeta Ophiuchi is a hot star that is 20 times more massive than the Sun. Previous obse...