1 00:00:12,870 --> 00:00:10,709 the hubble telescope mirror is a giant 2 00:00:14,870 --> 00:00:12,880 piece of glass eight feet across 3 00:00:17,510 --> 00:00:14,880 it's almost a parabolic mirror it's very 4 00:00:18,870 --> 00:00:17,520 powerful how far can you see the 5 00:00:21,189 --> 00:00:18,880 farthest we've been able to see with the 6 00:00:23,429 --> 00:00:21,199 hubble telescope goes back about