The 2013 film 'Gravity' highlights the dangers of space debris, a real issue based on Don Kessler's 1978 theory. Space debris consists of defunct artificial materials orbiting Earth, primarily from satellites and rockets. ESA's Quentin Verspieren discusses the risks and management of space junk, emphasizing the need for better disposal protocols and innovative satellite designs to prevent collisions and mitigate space pollution. Teljes cikk (Euronews.com)