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Science / Fri, 26 Jun 2026 Jagran Josh

Cosmic X-Ray Flashes: Astronomers uncover Clues behind Powerful Space Bursts

Cosmic X-ray flashes are a phenomenon when the night sky seems calm to the naked eye but in the electromagnetic spectrum. Cosmic X-ray flashes are also known as the Fast X-ray Transients (FXTs). The astronomers of the Indian Institute of Astrophysics(IIA) have traced the mechanics behind a powerful cosmic X-ray flash. What are Cosmic X-ray flashes? Cosmic X-ray flashes are also known as the Fast X-ray Transients (FXTs).

Cosmic X-ray flashes are a phenomenon when the night sky seems calm to the naked eye but in the electromagnetic spectrum. The Cosmic X-rays prove that the universe is alive with violent and short-lived explosions for over a decade. One cosmic riddle made scientists wonder about the formation of the universe. Cosmic X-ray flashes are also known as the Fast X-ray Transients (FXTs). These are unpredictable and energetic bursts seems few minutes or hours before the matter completely turns into dark matter. The capturing of the X-ray flash is nearly impossible because they disappear so quickly. The astronomers of the Indian Institute of Astrophysics(IIA) have traced the mechanics behind a powerful cosmic X-ray flash. The discovery brings us closer to mapping of voilent lifecycle of dead stars and cosmic explosions.

What are Cosmic X-ray flashes? Cosmic X-ray flashes are also known as the Fast X-ray Transients (FXTs). These are unpredictable and energetic bursts seems few minutes or hours before the matter completely turns into dark matter. The capturing of the X-ray flash is nearly impossible because they disappear so quickly. These flashes are high-energy, non repeating burts of low-energy X-rays that originated from deep space. They hit the cosmos with a massive punch of energetic radiation, which causes a brightness and fades rapidly. Cosmic X rays are different from the Black Holes Over the years scientists have struggled to identify exactly what triggers the Cosmic X-rays. However, they proposed several theories or theoretical progenitors to prove what are the reasons that cause the cosmic bursts:

Core collapse supernovae are a violent structural collapse of a massive star which results in a supernova shock breakout.

Binary neutron star mergers it occurs when two ultra dense neutron starts colliding and produce a millisecond spinning neutron star with an extreme magnetic field also known as a magnetar.

Tidal disruption events are intermediate mass black holes ripping a white dwarf star(dead star) to shreds. Scientists have witnessed a breakthrough in the deconstruction of an event called EP241107a. It arrived via a flash designed EP241105a which was detected on November 7, 2025. The cosmic burst was first recorded by the Einstein Probe a cutting-edge space observatory which is designed to survey high sky. The team of scientists led by postdoctoral fellows Deepak Eappachen and Arvid Balasubramanian utilized a multi-wavelength observational approach by tracking the event across radio optical and X-ray spectrums when they pieced together a definitive profile of the explosion.

EP241107 is a rare ‘Orphan afterglow’ which occurs when a cosmic explosion shoots out a high-energy jet that is not pointed directly at Earth. When the event occurs at the lower-energy boundary of the gamma-ray burst spectrum. The study confirms that these cosmic x-ray flashes are the birth cries of newborn black holes or hyper magnetized neutron stars. It is triggered by the catastrophic collapse of a giant star or the collision of two dead stars. The tracking of EP241107a was published in the Monthly Notices of the Royal Astronomical Society which marks a massive step forward for modern astronomy. Here are the telescope which records about the activities of the Universe afrom around the globle Telescope / Facility Waveband Utilized Location / Agency Einstein Probe X-ray (Discovery) International Space Mission Karl G. Jansky Very Large Array (VLA) Radio New Mexico, USA Himalayan Chandra Telescope (HCT) Visible Light Hanle, Ladakh (India) GROWTH India Telescope (GIT) Visible Light Hanle, Ladakh (India) Upgraded Giant Metrewave Radio Telescope Radio Follow-up NCRA, India W. M. Keck Observatory Optical Hawaii, USA

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