Supernova remnant is source of extreme cosmic particles
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![Supernova remnant is source of extreme cosmic particles](https://news.wisc.edu/content/uploads/2022/08/pevatron.jpg)
Astronomers have long sought the launch sites for some of the highest energy protons in our galaxy. Now, a study using 12 years of data from NASA’s Fermi Gamma-ray Space Telescope confirms that a remnant of a supernova, or star explosion, is just such a place, solving a decade-long cosmic mystery.
![Supernova remnant is source of extreme cosmic particles](https://news.wisc.edu/content/uploads/2022/08/Ke-Fang.jpeg)
Supernova remnant is source of extreme cosmic particles
![Observations of the high energy particle accelerators in our Universe - Canadian Institute for Theoretical Astrophysics](https://i.ytimg.com/vi/lWv8aA2hD38/maxresdefault.jpg)
Observations of the high energy particle accelerators in our Universe - Canadian Institute for Theoretical Astrophysics
![Cosmic Rays - Where Do They Come From?](https://www.thoughtco.com/thmb/X1jSbhhLrXyKv_q6OZSNSFTDGqg=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/389989main_ray_surge_heliosphere09_HI-58b84a853df78c060e6906de.jpg)
Cosmic Rays - Where Do They Come From?
![NASA's Chandra Views Supernova Remnant G299](https://scitechdaily.com/images/Exploded-Star-Blooms-Like-a-Cosmic-Flower.jpg)
NASA's Chandra Views Supernova Remnant G299
![Webb telescope image captures closest look at supernova interior](https://media.cnn.com/api/v1/images/stellar/prod/231212104945-james-webb-space-telescope-cassiopeia-a.jpg?c=original&q=h_618,c_fill)
Webb telescope image captures closest look at supernova interior
![NASA's Fermi Proves Supernova Remnants Produce Cosmic Rays - NASA](https://www.nasa.gov/wp-content/uploads/2013/06/727236main_W44_Multiwavelength_600.jpg)
NASA's Fermi Proves Supernova Remnants Produce Cosmic Rays - NASA
![Supernova 'wreckage' blasts out cosmic rays in deep space](https://cdn.mos.cms.futurecdn.net/GWPRmwHZot9e9x3FvYhBU9.png)
Supernova 'wreckage' blasts out cosmic rays in deep space
![Star wreck source of extreme cosmic particles, NASA's Fermi find out - Articles](https://s3images.zee5.com/wp-content/uploads/2022/08/pexels-pixabay-215020220805144453202208051633432022080717472720220812171849.jpg)
Star wreck source of extreme cosmic particles, NASA's Fermi find out - Articles
![The Milky Way's next supernova could reveal dark matter, by Ethan Siegel, Starts With A Bang!](https://miro.medium.com/v2/resize:fit:1400/1*HSI7cFO-t0Ddu_Zc-WAJ4g.jpeg)
The Milky Way's next supernova could reveal dark matter, by Ethan Siegel, Starts With A Bang!
![Cosmic rays originate from supernova shockwaves](https://media.springernature.com/w300/springer-static/image/art%3A10.1038%2Fnature.2013.12436/MediaObjects/41586_2013_Article_BFnature201312436_Figa_HTML.jpg)
Cosmic rays originate from supernova shockwaves
![Supernova observations solve the mystery of cosmic-ray origins](https://cdn.arstechnica.net/wp-content/uploads/2013/02/supernova_remnant_IC_443.jpg)
Supernova observations solve the mystery of cosmic-ray origins
![Pulsars may power cosmic rays with the highest-known energies in the universe](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/05/051622_lk_pulsar_feat_rev.jpg-.jpg)
Pulsars may power cosmic rays with the highest-known energies in the universe
![Supernovae and the origin of cosmic rays](https://scx2.b-cdn.net/gfx/news/hires/2013/supernovaean.jpg)
Supernovae and the origin of cosmic rays