Working backwards from images of point sources, astronomers determined that the conic constant of the mirror as built was -1.01390+-0.0002, instead of the intended -1.00230.. 
Ó jẹ́ ọmọ ẹgbẹ́ olóṣèlú Apga àti People’s Democratic Party(PDP) tẹ́lẹ̀rí.. 