On Sun, 18 Mar 2018 16:43:48 -0500, Mark Lloyd, the troll-feeding idiot,
wrote:

optical thickness is ten (light) years. It could be left out in a field
for 10 years and then moved to a windowless room, where you could see
the field for the next 10 years.

But you STILL couldn't see what an idiot you are, you troll-feeding idiot!