We have completed maintenance on DiscoverMagazine.com and action may be required on your account. Learn More

Meet the Giant Telescope That May Find Life Elsewhere

The four-year fabrication of the Giant Magellan Telescope’s seventh and final mirror has begun. This is what you should know about the next generation of Earth’s biggest and most powerful telescopes.

By Katie Liu
Nov 29, 2023 7:00 PMNov 30, 2023 7:17 PM
Telescope-Exterior-Rendering-with-Lasers
(Credit: Giant Magellan Telescope–GMTO Corporation)

Newsletter

Sign up for our email newsletter for the latest science news
 

If you drove on the winding road up the Chilean Andes, you’d spot the white specks of distant telescopes peppering the hills. Sometime by the end of this decade, one of those specks will tower above the rest, visible even miles away.

Up close, it resembles a rotating luxury apartment complex. Vents taller than a garage door let in air or shut out desert dust. Though the enclosure stands 22 stories tall, it houses no humans. Instead, when the building splits open each night, you’ll see seven of the largest mirrors in the world. Reflected in them is the entire sky – and universe – come alive.

This is the Giant Magellan Telescope (GMT), slated to be one of Earth’s most efficient and powerful telescopes upon completion.

What Is the Giant Magellan Telescope?

The Giant Magellan Telescope sprang from an idea in the early 2000s, that science needed to go even bigger, according to John Mulchaey, director of the Carnegie Observatories – including the Las Campanas Observatory in Chile, the telescope’s future home.

0 free articles left
Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

0 free articlesSubscribe
Discover Magazine Logo
Want more?

Keep reading for as low as $1.99!

Subscribe

Already a subscriber?

Register or Log In

Stay Curious

Sign up for our weekly newsletter and unlock one more article for free.

 

View our Privacy Policy


Want more?
Keep reading for as low as $1.99!


Log In or Register

Already a subscriber?
Find my Subscription

More From Discover
Recommendations From Our Store
Shop Now
Stay Curious
Join
Our List

Sign up for our weekly science updates.

 
Subscribe
To The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Copyright © 2024 Kalmbach Media Co.