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12.5-Billion-Year-Old Supernova Discovered with Extreme Temperature

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News18•21-10-2026, 16:59
12.5-Billion-Year-Old Supernova Discovered with Extreme Temperature
- •Scientists have discovered a 12.5-billion-year-old supernova named AT 2026abck using the James Webb Space Telescope.
- •The supernova is about 8 billion times brighter than the Sun and reached temperatures of 16000 degrees Celsius.
- •It released as much energy during the explosion as the Sun produces in about a billion years.
- •The discovery is significant because it was made without the help of gravitational lensing.
Key Questions Answered
The newly discovered 12.5-billion-year-old supernova has been named AT 2026abck.
It was detected under the NEXUS Treasury Program using the James Webb Space Telescope, which periodically observes selected parts of the sky without requiring gravitational lensing.
The supernova was about 8 billion times brighter than the Sun and reached temperatures of approximately 30,000 degrees Fahrenheit, which is 16,000 degrees Celsius or three times hotter than the Sun's core.





