Scientists bury time capsule to celebrate upcoming Extremely Large Telescope (photos)
The European Southern Observatory buried a time capsule to celebrate its Extremely Large Telescope, which will be the world’s largest visible and infrared light telescope when it comes online in 2028.
TroibNews 
The European Southern Observatory buried a time capsule to celebrate its Extremely Large Telescope, which will be the world’s largest visible and infrared light telescope when it comes online in 2028.
