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About 80–90% of a rockets total weight is fuel. To send 1... | funfact.wiki | funfact.wiki
About 80–90% of a rockets total weight is fuel. To send 1 kg of cargo to space, roughly 10 kg must be launched. Most of a rockets kinetic energy is carried away by the expelled gas, not the rocket itself.
  • Rocket
  • Fuel
  • Space
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You can't directly smell anything in space. But astronauts report a distinctive odor when returning to the spacecraft after spacewalks—described as 'gunpowder,' 'brake pads,' 'seared steak,' 'ozone,' and 'walnuts.'
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In 2013, during a game Super Mario 64 speedrun, Mario suddenly teleported. A $1,000 bounty yielded no answers for 8 years. The cause: space radiation flipped a single bit in the console's memory, altering Mario's position coordinates.
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The space elevator concept involves dropping a 36,000 km cable from an orbiting satellite down to Earth, rather than building a tower upward. If realized, it could reduce space cargo transport costs to between 1/100th and 1/10,000th of rocket launches.
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SETI@home used volunteers' idle computers to scan space for extraterrestrial signals. Aimed at 50,000–100,000 machines, it drew 5.2 million participants and logged over 2 million years of computing—about 50x faster than the world's top supercomputer in 2013.
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The Kardashev Scale measures a civilization's advancement by energy usage. Type I harnesses all energy reaching its planet; Type II, all from its star; Type III, all from its galaxy. Humanity currently sits at about 0.7 on this scale.
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