ISRO’s AstroSat Detects Mysterious X-Ray Flickering in Black Hole
India’s space agency, ISRO, has made an exciting discovery through its AstroSat mission. Scientists have observed mysterious X-ray flickering from the black hole GRS 1915+105, located 28,000 light-years away. This finding provides new insights into black hole behavior and the physics of extreme cosmic environments.1. About AstroSat – India’s Multi-Wavelength Space ObservatoryLaunched in 2015, AstroSat is India’s first dedicated multi-wavelength space telescope. It studies celestial objects across X-ray, ultraviolet, and optical bands, enabling researchers to analyze stars, galaxies, and black holes in unprecedented detail.2. The Black Hole GRS 1915+105 – A Cosmic GiantThe black hole GRS 1915+105 is a stellar-mass black hole located in the Milky Way, approximately 28,000 light-years from Earth. It is known for its variable X-ray emissions and has been a focus of astrophysical studies since its discovery in 1992.3. Mysterious X-Ray Flickering ObservedAstroSat detected unusual flickering patterns in X-ray emissions from GRS 1915+105. These variations, occurring on very short timescales, provide clues about the accretion disk dynamics—the swirling matter that falls into the black hole—and the processes near the event horizon.4. Scientific Significance of the Discovery
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- Helps understand high-energy phenomena around black holes.
- Offers insights into accretion disk instabilities and relativistic jets.
- Supports multi-wavelength studies, combining X-ray data with optical and radio observations to get a complete picture of black hole behavior.
Disclaimer:The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of any agency, organization, employer, or company. All information provided is for general informational purposes only. While every effort has been made to ensure accuracy, we make no representations or warranties of any kind, express or implied, about the completeness, reliability, or suitability of the information contained herein. Readers are advised to verify facts and seek professional advice where necessary. Any reliance placed on such information is strictly at the reader’s own risk.