[MUSIC]
[MUSIC]
[MUSIC]
Its resolution is expected to be 10 times greater than the Hubble telescope.
The GMT will use seven of the world's largest mirrors to focus light that has traveled for billions of years.
[MUSIC]
which is expected to occur in 2023.
It will begin operation with four out of seven primary mirrors in place and is expected to be completed in 2025.
Because there's never been a telescope of this size built before
[MUSIC]
[MUSIC]
[MUSIC]
[MUSIC]
[MUSIC]
Up Next
LightSail 2 begins its first journey
3:55
The problem with recycling
6:53
The Lightyear One is a solar-powered vehicle coming to market
3:44
Controlling electronics with your mind!
5:10
Everything we know about NASA's Space Launch System
4:19
Drone delivers human kidney for the first time
2:09
Robotic raspberry picker completes trials
1:20
Flying-V aircraft concept seats passengers in the wing
1:31
NASA's nuclear rocket program is making a comeback
2:19
This small robot can help observe aquatic ecosystems
