Colonelvinnie C Feb 25, 2021 #1 After several discussions and google sessions with no info at all, I turn to ask here: Why is GCRV 7815 2, a Y class brown dwarf, named "Gracie's Light"?
After several discussions and google sessions with no info at all, I turn to ask here: Why is GCRV 7815 2, a Y class brown dwarf, named "Gracie's Light"?
Hellrider H Feb 25, 2021 #5 Nordmarken said: Isn't the whole system a planetary nebula? Click to expand... Indeed, IC 4191