From: TED Talks Daily - Tuesday Apr 26, 2022 12:02 pm
The James Webb Space Telescope -- and How It Will Reveal the Secrets of the Universe
A miracle of modern science and engineering


How the James Webb Space Telescope will unfold the universe

8:48 minutes · TED2022

The James Webb Space Telescope is a miracle of modern science and engineering. With a 21-foot, gold-coated mirror protected by a sunshield that's the size of a tennis court, it's the world's most powerful telescope and humanity's latest attempt to answer questions like: "Where did we come from?" and "Are we alone?" (It also needed to be folded up like origami in order to launch into space.) Nobel Laureate John C. Mather, the leader of the team at NASA that built the Webb, explains how the telescope will observe the first galaxies to form in the early universe, peer behind clouds of cosmic dust and gas to reveal stars being born and uncover new details about places like Europa and Titan, which could harbor life. "We're going to get a great surprise from this telescope," Mather says.

Watch now »

Playlist of the Day

How we study space

How we study space

Beyond our galaxy, there lies much more to be discovered. Learn how we explore the universe with talks that are definitely out of this world. Watch »

17 talks