India's No.1 PU & Degree With Integrated IAS & IPS(UPSC/PSC) Training College.
Milky Way-Andromeda Collision Now Less Certain Why in the News? A new study published in Nature Astronomy suggests that the long-feared collision between the Milky Way and Andromeda galaxies may not be inevitable. Updated data show a 50-50 chance of such an event within the next 10 billion years. This revelation has sparked interest in …
Read MoreNewly Discovered Star Defies Known Physics Why in the News ? Scientists have discovered a unique star, ASKAP J1832-0911, emitting both radio waves and X-rays, unlike any star seen before. This adds to a mysterious class of celestial bodies called long-period radio transients, first identified only in 2020. What Makes ASKAP J1832-0911 Unique ? Located …
Read MoreNew Dwarf Planet Discovery Challenges Planet Nine Theory in Our Solar System Why in the News? A team of US-based astronomers has made a new planet discovery, identifying a new dwarf planet named 2017 OF201 in the outer solar system, potentially challenging the Planet Nine hypothesis. This finding, part of ongoing efforts to map our …
Read MoreWhy 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 …
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 MoreSyllabus: GS-3: Scientific Innovations & Discoveries Focus: Recent data from NASA’s MMS, THEMIS, and ARTEMIS missions revealed a large-scale energy transfer process in Earth’s foreshock. Scientists discovered that collisionless shock waves in this region accelerate electrons to extreme speeds, solving a long-standing astrophysical mystery about high-energy cosmic particle acceleration. Understanding a Cosmic Mystery Unveiled: Scientists …
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 …
Read MoreWhy in News? The ESA’s Euclid telescope has discovered an Einstein ring around galaxy NGC 6505, located 590 million light-years away. This rare gravitational lensing phenomenon helps scientists study dark matter, distant galaxies, and the universe’s expansion. Discovery of Einstein Ring: The European Space Agency (ESA)’s Euclid space telescope has discovered an Einstein ring around …
Read MoreSyllabus: GS 3 : Science and technology Why in the News? NASA’s James Webb Telescope and Chandra Observatory recently discovered LID-568, a supermassive black hole beyond the growth limit, providing important insights into the evolution of black holes in the early universe. Introduction Recent progress using NASA’s James Webb Space Telescope (JWST) and the Chandra …
Read MoreWhy in the news? NASA’s Parker Solar Probe safely completed its closest approach to the Sun on December 24, passing 6.1 million km from its surface to study the corona, solar wind, and high-energy particle acceleration. Historic Milestone: On December 24, NASA’s Parker Solar Probe achieved the closest-ever approach to the Sun by any spacecraft. …
Read More
