How the James Webb Space Telescope will unfold the universe - John C. Mather
- 404,727 Views
- 441 Questions Answered
- TED Talk
Let’s Begin…
Create and share a new lesson based on this one.
Follow the latest updates about the James Webb Telescope from NASA's blog.
Track the James Webb Space Telescope’s ongoing progress using NASA’s “Where is Webb?” tracker.
In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky – what, if anything, was going to show up? But what came back was nothing short of spectacular: an image of over 1,500 galaxies glimmering in a tiny sliver of the universe. Alex Hofeldt helps us understand the scale of this image.
Deep in our solar system, a new era of exploration is unfolding. Beneath the thick ice of Europa; in the vapor plumes on Enceladus; and within the methane lakes of Titan, scientists are hunting for extraterrestrial life. These moons are ‘ocean worlds’— they contain liquid oceans, which can support the formation of life. Does life exist on ocean worlds? Augusto Carballido explores the possibility.

Create and share a new lesson based on this one.
More from Out Of This World
794,430 Views
167,497 Views
483,394 Views
Yes, scientists are actually building an elevator to space
Lesson duration 05:19
765,791 Views