light echoes

URI: https://gptkb.org/prop/light_echoes
4 triples
GPTKB property
Random triples
Subject Object
gptkb:NGC_2261 observed in surrounding areas
gptkb:Supernova_1987_A used to study the surrounding environment
gptkb:SN_1987_A observed
gptkb:supernova_1987_A observed in subsequent years