no. the light waves would still be travelling right now towards that point. The moment the mirror is put there, the waves start to be reflected.
But you do have a point, you wont be able to see until the mirror has been there for 10 years (you would see the mirror being constructed 10 years later on).
It's your #0 visit here. It's about time to stop lurking!
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But you do have a point, you wont be able to see until the mirror has been there for 10 years (you would see the mirror being constructed 10 years later on).
So, its a 10 year project, not 20 year.
Had a few beers but, us British got to stick together eh?