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24Apr 2025

Indian Study Explains Dark Matter Deficit Mystery

Why in the News ? Astronomers at the Indian Institute of Astrophysics have proposed a model to explain the unusual lack of dark matter in galaxy NGC 1052-DF2, challenging existing galaxy formation theories and offering new insights into the structure of the universe. Galaxy Defies Standard Dark Matter Models: NGC 1052-DF2, an ultra-diffuse galaxy, shows …

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22Oct 2024

Black Holes in Webb: Implications For Cosmology

Syllabus: GS-3: Space Technology Focus: The discoveries from the James Webb Space Telescope challenge existing cosmological models, prompting a reevaluation of our understanding of galaxy formation and evolution. These findings not only enhance our knowledge of the universe’s early stages but also underscore the importance of advanced observational technology in modern astronomy. Introduction to the …

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30Sep 2024

Dark Matter Search: LUX-ZEPLIN Experiment and Neutrino Fog

Why in the news? Scientists from the LUX-ZEPLIN (LZ) experiment have placed the tightest restrictions yet on the identity of dark matter particles, marking a significant development in dark matter research despite not identifying the particle directly. What is Dark Matter? Composed of particles without charge, making them “dark” as they don’t emit light. Makes …

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