sphere shape , white light , high in the sky , and not movingI was going early in the morning from the place i live in Luxembourg to Luxembourg city, i took the the train at 8:04 from rodange city to Luxembourg city, normally the train passes 6 stops before arriving to Luxembourg city. I went to the train and installed myself into the second level on the train, the train have a big windows and usually i like to look on the nature on my may to Luxembourg city, and after 17 to 20 minutes, the train passed the stop of a city called DIPPACH RECKENG and it was going to a stop called ludelange , but between the 2 stops there was a forest and i was looking at the sky and the nature, it was cloudy and suddenly i noticed a round light , i couldn't see anything else just light, there was no iron shape or any shape just a light so bright like a SPHERE standing between the clouds , directly i thought two things the first it a helicopter but there was no tale and no fan and it was very bright and not moving at all and there ! was no visible shape , and my second thought was its maybe an electrical light from the cables but it was really high between the clouds not moving just standing there without any visible shape at all just a Sphere shape it was shining like a lamp , then the train passed near some long trees thats blocked my eyes from looking at that thing, and i was trying to continue looking at it, but after the train passed the trees in just few seconds i was still trying my best to look from the edge of the window to check it but it wasn't there any more. I don't know what i saw and im not saying it was a ufo , i just need to know if anyone saw something like that before?((NUFORC Note: Witness indicates that the date of the event is approximate. PD))