brightness

• by keey87

  Is this effect caused by the brightness of it's rays or due to something else?
  kind regards

  Posted April 8, 2013 9:30 PM

• by ElisabethB moderator

  The object to the bottom left is a star from our galaxy. The spikes are diffraction spikes (optical artifact)
  wiki : http://en.wikipedia.org/wiki/Diffraction_spike

  Posted April 8, 2013 9:36 PM