C/2021 A1 (Leonard) 可能 ??is fading and acting strange
https://www.space.com/comet-leonard-fading-maybe-splitting?fbclid=IwAR27fVPUsnCbVsbsLTDILg8sKiwJ4G_ksUR2yks6gA06-jjHXY3kwzu9viU"It's not great news. The comet should be brighter and brighter," Quanzhi Ye, an astronomer at the University of Maryland who specializes in comets, told Space.com. "If it's not getting brighter then something's wrong, but we don't know exactly what at this stage."