Observations from NASA's Spitzer Space Telescope show that the system hosts two asteroid belts, in addition to previously identified candidate planets and an outer comet ring.
斯比策空间望远镜的观测显示，这个行星系统控制着两条小行星带，比上次我们确定的多了一条。
2
What was once the asteroid is now just a jagged ring of dust, encircling the Earth like one of the rings of Saturn.