HST/WFC3 phot. of the S1-SX images of SN Refsdal

In late 2014, four images of supernova (SN) "Refsdal," the first known example of a strongly lensed SN with multiple resolved images, were detected in the MACS J1149...2014年末，科研人员在MACS J1149天区中探测到超新星（supernova，SN）“Refsdal”的四幅图像，该天体是首个已知的拥有多幅可分辨图像的强引力透镜超新星实例。