TMT segment exchange - A TMT segment is lifted out of its position from within the mirror cell and transported down to the observatory floor. A replacement spare segment is then transported into position to be lifted onto the handling tooll. - Video credit: TMT International Observatory
TMT segment exchange - A TMT segment is lifted out of its position from within the mirror cell and transported down to the observatory floor. A replacement spare segment is then transported into position to be lifted onto the handling tooll. - Video credit: TMT International Observatory
