Scott Pelley of '60 Minutes' sat down with astronomers to discuss the amazing images the James Webb Space Telescope has already captured.
last July, astronomers have been busy using the telescope to study the cosmos and uncover new information about the origins of the universe. Scott Pelley took a closer look at Webb and its images in the most recent episode of ““NASA’s James Webb Space Telescope has hardly opened its eyes, and the universe is new. More mysterious, more beautiful than humanity’s dreams,” Pelley says.
Webb’s journey to the second Lagrange point took about a month and the $10 billion space telescope is about a million miles from Earth. From its orbit around the Sun, Webb can peer back toward “the origin of everything,” Pelley says.to discuss Webb’s JWST Advanced Deep Extragalactic Survey image. Robertson, who works at the University of California Santa Cruz, helps lead the JADES team.
Robertson explains that all the many thousands of dots in the JADES image are galaxies, some of which are larger than the Milky Way Galaxy. The image contains around 130,000 galaxies, half of which had never been seen before. “This image taken by the James Webb Space Telescope highlights the region of study by the JWST Advanced Deep Extragalactic Survey . This area is in and around the Hubble Space Telescope’s Ultra Deep Field. Scientists used Webb’s NIRCam instrument to observe the field in nine different infrared wavelength ranges. From these images, the team searched for faint galaxies that are visible in the infrared but whose spectra abruptly cut off at a critical wavelength.
While the distant, ancient galaxy looks like a mere red blob to many, to astronomers, it’s rich with information. Scientists can analyze the galaxy’s spectrum and learn about its star formation, the number of stars in the galaxy, and the typical ages of the stars in the galaxy.Pelley then explains Webb’s origins, including an amazing behind-the-scenes look at Webb just before it was folded into a rocket and launched into space in late 2021.
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