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20May 2026

Indian team finds ultra‑short binary star

INDIAN RESEARCHERS DISCOVER ULTRA-SHORT PERIOD STELLAR BINARY SYSTEM Why in the News? Major Discovery: Indian researchers discovered a blue straggler star hosting a brown dwarf companion in an ultra-compact binary system. Shortest Orbit: The binary system has an exceptionally short orbital period of nearly 6 hours (0.234 days). Scientific Significance: The discovery was published in …

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20May 2026

Chandrayaan‑3 Hop Test Maps Moon’s Surface Layers

CHANDRAYAAN-3 ‘HOP’ EXPERIMENT REVEALS MOON’S SURFACE LAYERS Why in the News? New Discovery: Data from Chandrayaan-3 revealed that the Moon’s upper surface contains two distinct subsurface layers within a few centimetres, advancing critical technologies for future lunar missions and demonstrating capabilities comparable to those used in brahmos missiles guidance systems. Hop Experiment: The findings emerged …

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20Apr 2026

Odisha Launches India’s First Advanced 3D Chip Plant

Odisha Launches India’s First Advanced 3D Chip Plant Why in the News ? Odisha has laid the foundation for India’s first 3D semiconductor packaging plant under the India Semiconductor Mission (ISM), marking a major step in India’s semiconductor ambitions and high-tech manufacturing push. The project has received necessary environmental clearances following comprehensive regulatory assessments. Key …

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29Jan 2026

How Deuterons Survive Extreme Particle Collisions

How Deuterons Survive Extreme Particle Collisions Why in the News ? A recent study by the ALICE collaboration at CERN’s Large Hadron Collider (LHC) has resolved a long-standing puzzle about how fragile deuterons survive ultra-high-energy particle collisions, with implications for cosmic ray physics, astrophysics, and dark matter research. Fragile Deuterons in a Violent Collider Environment: …

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23Dec 2025

Whole-Body Coordination in Animal Regeneration

Whole-Body Coordination Drives Regeneration in Simple Animals Why in the News? Recent studies published in Cell and Cell Reports reveal that regeneration in axolotls and planarian flatworms is not a localised process but a whole-body event, coordinated through gut-derived metabolic signals and nervous system–mediated stress responses. This coordinated approach to regeneration bears similarities to how …

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27Mar 2025

Parker Solar Probe Breaks Record, Unlocks Sun’s Mysteries

Why in the News ? NASA’s Parker Solar Probe reached just 6 million km from the Sun’s surface on March 22, 2025, setting a new record. It continues to study solar wind, corona, and magnetic fields, providing crucial insights into space weather and solar activity. Highlights of the Mission: The Parker Solar Probe, launched by …

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UPSC Prelims 2026 Live Paper Discussion & Detailed Answer Key Analysis


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