A Type Ia supernova named Encore is the second multiply-imaged supernova detected in MRG-M0138, a galaxy around 10 billion light-years away in the constellation...
The multiply-imaged supernova AT2016jka appeared in the distant giant galaxy MRG-M0138, gravitationally lensed by the foreground galaxy cluster MACS J0138.0-2155.
This...