20May 2026

Zwan–Wolf Effect on Mars Explained for UPSC

ZWAN-WOLF EFFECT Why in the News? Mars Discovery: Scientists detected the Zwan-Wolf effect on Mars using data from National Aeronautics and Space Administration’s MAVEN spacecraft, marking a significant milestone in understanding planetary atmospheric dynamics and space weather phenomena, while demonstrating the importance of india-us relations and quadrilateral security dialogue frameworks in advancing space exploration capabilities …

19May 2026

SMILE Mission: Studying Earth’s Solar Shield

SMILE Mission Studies Earth’s Shield Against Solar Storms Why in the News ? The joint Europe-China SMILE mission is set to launch aboard the Vega-C rocket to study how Earth’s magnetosphere protects the planet from harmful solar winds and dangerous space weather events. International Cooperation Framework The SMILE mission represents a landmark example of international …

18May 2026

SMILE Mission: Decoding Solar Storm Threats

SMILE Mission To Decode Dangerous Solar Storms Why in the News ? A joint mission by the European Space Agency and the Chinese Academy of Sciences is set to launch the SMILE spacecraft to study how Earth’s magnetic shield protects the planet from intense solar winds and harmful space weather events. SMILE Mission and Scientific …

17Nov 2025

First External Coronal Mass Ejection Observed

First Ever Coronal Mass Ejection Seen Externally Why in the News? Astronomers have, for the first time, detected a coronal mass ejection (CME) on a star other than the Sun. Using the LOFAR telescope network, researchers observed a massive explosion on a distant red dwarf, raising new questions about planetary habitability and potential impacts on …

10Nov 2025

Aditya-L1 Captures First-Ever Close Solar Eruption Data

Aditya-L1 Captures First-Ever Close Solar Eruption Data Why in the News ? Scientists from the Indian Institute of Astrophysics (IIA) and NASA have made the first spectroscopic observations of a coronal mass ejection (CME) using the VELC payload aboard Aditya-L1, marking a milestone in understanding solar eruptions near the sun’s surface. This breakthrough could contribute …

17Oct 2025

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Astrophysics NASA NASA Discoveries PUNCH Mission Solar Research Solar Wind Space Science Space Weather Sun
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NASA’s PUNCH Mission Makes Solar Wind Visible

NASA’s PUNCH Mission Makes Solar Wind Visible Why in the News ? NASA’s PUNCH Space Mission, led by Dr. Craig Edward DeForest, aims to study the Sun’s corona and solar wind as a unified system. The mission enhances our ability to predict space weather, crucial for protecting satellites and communication systems, and contributes to broader …

Solar Orbiter Makes History: First-Ever Images of the Sun's Mysterious South Pole Revealed

13Jun 2025

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ESA NASA solar activity solar images Solar Orbiter solar science space exploration Space Weather Sun mysteries Sun South Pole
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Solar Orbiter Makes History: First-Ever Images of the Sun’s Mysterious South Pole Revealed

Solar Orbiter Makes History: First-Ever Images of the Sun’s Mysterious South Pole Revealed In a landmark achievement for solar science, the European Space Agency (ESA), in collaboration with NASA, unveiled the first-ever images of the Sun’s south pole in June 2025. These images, captured during the Solar Orbiter’s groundbreaking flight, mark a revolutionary step toward …

12Jun 2025

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Astronomy ESA NASA solar activity solar images Solar Orbiter solar science space exploration Space Weather Sun poles
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Solar Orbiter Reveals First Images of Sun’s Poles

Solar Orbiter Reveals First Images of Sun’s Poles Why in News? The European Space Agency’s (ESA) Solar Orbiter spacecraft has captured the first-ever images of the Sun’s poles, especially the South Pole, aiming to study its magnetic field, 11-year cycle, and solar wind. This groundbreaking mission, part of ESA and NASA’s joint efforts to explore …

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 …

11Jun 2024

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Aditya-L1 Geomagnetic storm India space mission ISRO satellites Solar Flares Space Science Space Weather
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“ADITYA-L1 CAPTURES INTENSE SOLAR FLARES, TRIGGERS GEOMAGNETIC STORM”

Why in the news? ISRO’s Aditya-L1 spacecraft’s instruments, SUIT and VELC, captured significant solar activities including X-class and M-class flares and Coronal Mass Ejections in May 2024. These solar events caused a major geomagnetic storm on May 11, 2024. source:scribd Aditya-L1 Mission: First space-based observatory-class Indian solar mission. Distance: 1.5 million kilometers from Earth. Duration …

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UPSC Prelims 2026 Live Paper Discussion & Detailed Answer Key Analysis