7 secrets of the universe that will make you question reality

95% of the universe is invisible (dark matter and dark energy). There are stars older than the universe itself. Space smells like burnt meat and hot metal. You are traveling at 828,000 km/h right now. Black holes emit "screams" that NASA recorded. You could be living in a 2D holographic universe. The silence of space is artificial: it's full of waves we can't hear. Which one disturbed you the most? 🌑🔭 #Universe #Science #SpaceMysteries #Astronomy #Cosmos #DisturbingFacts #SpaceScience #Space #NASA #Astrophysics #ScientificCuriosities #ExplodedMind