The Webb Telescope and the mysteries of the universe

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The edge of a nearby, young, star-forming region NGC 3324 in the Carina Nebula

What looks much like craggy mountains on a moonlit evening is actually the edge of a nearby, young, star-forming region NGC 3324 in the Carina Nebula. Captured in infrared light by the Near-Infrared Camera (NIRCam) on NASA's James Webb Space Telescope, this image reveals previously obscured areas of star birth. (NASA, ESA, CSA, STScI)

Spectacular images from the James Webb Space Telescope were shared by NASA early this week. You’ve likely seen them – the color images of Carina Nebula’s cosmic cliffs, a gassy dying star and younger star in the Southern Ring nebula, five glittering galaxies making up the Stephan’s Quintet, and distant galaxy clusters with light 13.1 billion years old. These awe-inspiring pictures are hard for many of us to comprehend, so we’ve turned to two astronomers to help explain them, and the cosmic questions the Webb telescope maybe able to answer – like, how old is our universe? How are stars and galaxies formed? And, is there life out there?

Guests

Allison Strom, an assistant professor at Northwestern University in the Department of Physics and Astronomy. Her team will get observations from JWST in the next few weeks. @allison_strom

Eric Jensen, professor of astronomy at Swarthmore College. @elnjensen

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