Dark Energy Camera peels back layers of 'galactic onion' stretched across space
The shell galaxy NGC 3923's symmetrical onion-like layers, that extend 150,000 light-years across space, appear in a new photo from the Dark Energy Camera.
TroibNews 
The shell galaxy NGC 3923's symmetrical onion-like layers, that extend 150,000 light-years across space, appear in a new photo from the Dark Energy Camera.
