- Construction of Giant Telescope Pushes on Despite Protests - Once complete in the early 2020s, the observatory will return images 10 times sharper than those captured by NASA's iconic Hubble Space Telescope http://www.space.com/29729-thirty-meter-telescope-construction-restart.html?cmpid=514630_20150623_48029336&adbid=10152902632696466&adbpl=fb&adbpr=17610706465 224 comments worldnews