I'm guessing it's just reflected atmospherics and sunlight as the station does not have any significant external lighting to speak of and there isn't any specularity to suggest artificial lighting.
I saw a peanut stand, heard a rubber band,
I saw a needle that winked its eye.
But I think I will have seen everything
When I see an elephant fly.
MY GALLERY
The tiles (all 33,000 of them) are all meticulously catalogued and named as no two are exactly the same as each other. At $10,000 per square foot, they aren’t exactly the cheapest thermal protection you could think of either :-) As Darryl pointed out, they aren’t looking as fresh as they once were but they have a tough life to contend with…
Now that is frigging amazing Phil.....one more thank you in your thank you bank. Soon you will rich enough to retire on thanks alone!! hehe........
you know how much I appreciate this type of work. Good going once again. :~)
Wow...It's amazing what people can achieve...I know it's expensive but we have to keep reaching out and exploring, that has no price, thanks again, for the only place to see such detailed NASA shots, only one place! Cheers....