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Superkilonova: A Rare Double-Explosion Cosmic Phenomenon Why in the News? Astronomers, including scientists from IIT-Bombay and the Indian Institute of Astrophysics, have reported evidence of a rare cosmic event called a superkilonova, observed 1.3 billion lightyears away, combining features of both a supernova and a kilonova. This discovery prompts considerations about the environmental impact of …
Read MoreMajor thinkers from Pythagoras to Galileo contributed landmark theories that shaped our understanding of the universe’s structure, from geocentric to heliocentric models. Their discoveries marked essential progress in astronomy and changed the way humanity perceives the cosmos.
Read MoreThis image visually explains the complete stellar life cycle—from nebula birth to main sequence, giant/supergiant phase, and final states like white dwarf or black hole. It fits UPSC General Studies Paper 1 (GS1), under the subject “Physical Geography / Science & Technology.
Read MoreThis image explains stars, planets, constellations, and satellites, highlighting their key features and observational facts within our universe. It helps build foundational understanding of astronomical and physical geography concepts for UPSC
Read MoreWhy in the News? NASA successfully launched the SPHEREx space telescope from California aboard a SpaceX rocket. The $488 million mission will map the entire sky in infrared, studying galaxy evolution, cosmic expansion, and the origins of water and life-building molecules in space. About NASA’s SPHEREx Mission : NASA launched the Spectro-Photometer for the History …
Read MoreWhy in the news? A new study challenges previous estimates that Saturn’s rings are only 100 million years old. Computer models suggest dust particles are expelled, keeping the rings clean, implying they could be 4 billion years old, like the Solar System. New Insights: Rings May Be Ancient A new study from Tokyo and Paris-based …
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