NGC 2359 - Thor's Helmet Nebula
Located about 11,960 light years away in Canis Major, NGC 2359 is an emission nebula. It would take about 30 light years to travel across this nebula.
Age estimates put NGC 2359 between 78,000 and 236,000 years old.
Last edited by Mark_H; 03/12/2024 7:32 PM.