UPSC CURRENT AFFAIRS – 25 November 2024

  UPSC CURRENT AFFAIRS – 25 November 2024 covers important current affairs of the day, their backward linkages, their relevance for Prelims exam and MCQs on main articles   InstaLinks :  Insta Links help you think beyond the  current affairs issue and help you think multidimensionally to develop depth in your understanding of these issues. …

Space Junk and Its Impact

Source:  IE Context: The exponential growth in satellite launches, with over 10,000 active satellites in orbit today, is contributing to space junk pollution. About Space Junk and Its Impact: Definition: Space junk includes defunct satellites, rocket stages, and other debris left in orbit or disintegrated during re-entry. Pollutants Released: Burning satellites release aluminum, nitrogen oxides, …

Large year-round ozone hole over tropics

GS Paper-1 Syllabus: Geography: Atmosphere   Context: Scientists revealed a large, all-season ozone hole in the lower stratosphere over the tropics comparable in-depth to that of the Antarctic hole, but roughly seven times greater in area It is an all-season ozone hole — defined as an area of ozone loss larger than 25% compared with the undisturbed …