In the 1980s there was a proposal for something similar, a "light ring in space" from Europe. That project was decorative, a pretty object to look at.<p>It was obviously a stupid idea and scientists did a good job of explaining why.<p><a href="https://books.google.co.uk/books?id=i6PR8dMk1GUC&pg=PA60&lpg=PA60&dq=european+satellite+project+reflective+ring&source=bl&ots=DIhVLIUydE&sig=3_JY39T4zy2WbY-QuJGUvrcLi7U&hl=en&sa=X&ved=0ahUKEwjt7Pq2uqTLAhVMDxoKHTluDQYQ6AEIIzAB#v=onepage&q=european%20satellite%20project%20reflective%20ring&f=false" rel="nofollow">https://books.google.co.uk/books?id=i6PR8dMk1GUC&pg=PA60&lpg...</a><p>(For fuck's sake Google. Look at that stupid hideous URL.)