New Webb observations of supernovas could teach us more about how young, early galaxies got fuel for star birth.
, dust from these supernovas was ejected from the explosion, which could have then been used by nearby forming galaxies to help fuel star and planet birth. That’s because dust is a key part of how many things in our universe form, especially planets.
Showcase of the two supernovas Webb observed to help understand how dust fueled galaxy growth in the early universe. Image source: Science: NASA, ESA, CSA, Ori Fox , Melissa Shahbandeh Image Processing: Alyssa Pagan As such, dust ejected from a dying star would make sense as a source of cosmic dust used to fuel the growth of galaxies in the earliest days of our universe. However, direct evidence of this has been very slim up until these latest Webb observations, Melissa Shahbandeh, who works with John Hopkins University and the Space Telescope Science Institute , explained.
Webb’s latest observations are the first real breakthrough in the study of how dust is produced by supernovae since early detection by the Atacama Large Millimeter/submillimeter Array almost ten years ago. But it isn’t just the detection of dust that makes it so intriguing, it’s also how much dust the researchers detected using James Webb. In fact, they found more than 5,000 Earth masses of dust.
With that much dust, several young galaxies could have fueled the growth of their stars and planets. And this is just how much was discovered in a single supernova. If you start adding up all the supernovas out there, including those James Webb hasn’t observed, you’re looking at more than enough dust toNow all that remains to be seen is whether that dust continues to be a source of fuel for planet and star formation.
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James Webb telescope detects the earliest strand in the 'cosmic web' ever seenJoanna Thompson is a science journalist and runner based in New York. She holds a B.S. in Zoology and a B.A. in Creative Writing from North Carolina State University, as well as a Master's in Science Journalism from NYU's Science, Health and Environmental Reporting Program. Find more of her work in Scientific American, The Daily Beast, Atlas Obscura or Audubon Magazine.
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