Time Travel: Orion Nebula  

 


Streifenverzierung
   
 
 

ORION NEBULA
1350 light years
 

M42 & M43 / NGC1976 & NGC1982

It is easy to see that dynamic change, even if still extremely slow by human standards, acts within this region, compressing hydrogen gas, until pressure and density are finally sufficient to support nuclear fusion and the birth of new stars.

 

 

 

 

 
 
 
13 November 2009, Vienna, focal length 660 mm, f/3.3, exposure time 2x30 + 2x60 + 2x90 seconds