Spitzer 3.6 and 4.5um monitoring of 5 stars

Luminous debris disks of warm dust in the terrestrial planet zones around solar-like stars were recently found to vary, which is indicative of ongoing large-scale collisions of...近期有研究发现，环绕类太阳恒星（solar-like stars）类地行星带（terrestrial planet zones）内的热尘埃亮碎屑盘存在变化，该现象表明当前正持续发生大规模的……碰撞。