James Webb Space Telescope Detects Supernova From 11.4 Billion Years Ago 2o3g56 Technology News

The James Webb Space Telescope identified one of the oldest supernovas, AT 2023adsv, revealing early universe phenomena 3j476l

Written by Gadgets 360 Staff | Updated: 17 January 2025 19:00 IST

Photo Credit: NASA 6t6r3f

James Webb Space Telescope

Highlights

JWST discovers supernova AT 2023adsv, dated to 11.4 billion years ago
Early massive stars produced more energetic explosions than modern star
Findings offer insights into the first stars and early cosmic environme

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Astronomers, using the James Webb Space Telescope (JWST), have identified one of the oldest supernovas ever recorded, believed to have occurred approximately 11.4 billion years ago. This stellar explosion, designated AT 2023adsv, was triggered by a massive star estimated to be 20 times the size of the Sun. The event, observed as part of the JWST Advanced Deep Extragalactic Survey (JADES), offers insights into the early universe's stellar evolution and the violent cosmic processes following the Big Bang.

A Unique Stellar Explosion in the Early Universe 6s6153

stars. AT 2023adsv's extraordinary energy and its connection to early stellar environments are being examined to understand differences in explosion mechanisms compared to stars in the modern universe.

Evolution of Early Stars and Their Supernovas 555ho

The first generation of stars, referred to as Population III, lacked heavy elements, resulting in shorter lifespans and more violent endings. Their explosive deaths seeded the universe with metals, paving the way for subsequent star generations. Dr Christa DeCoursey from the University of Arizona highlighted the importance of these observations for studying individual stars in the earliest galaxies. The JADES program has identified over 80 ancient supernovas, significantly expanding knowledge of early cosmic events.

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Future Prospects in Supernova Exploration 4p4a35

As reported by space.com, according to Takashi Moriya of the National Astronomical Observatory of Japan, the unusual NASA's Nancy Grace Roman Space Telescope in 2026 is expected to enhance these studies, potentially locating thousands of distant supernovas for further investigation by the JWST. These findings continue to deepen our understanding of the early universe's stellar and galactic evolution.

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