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Tag Archives: general relativity
Falling Forever: Why 200 Miles Up Feels Like Zero Gravity
After I wrote about losing gravity, I was asked a great follow-up question: if the Earth is a massive object warping the fabric of spacetime and pulling everything toward it, why do astronauts appear like they’re floating in a giant … Continue reading
Posted in Science
Tagged acceleration, artificial gravity, centrifugal force, Earth, freefall, general relativity, generational spacecraft, geodesic, Gravitron, gravity, International Space Station, Low Earth Orbit, mass, NASA, orbit, orbital mechanics, physics, relativity, science, spacetime, Sun, Vomit Comet, weight, weightlessness
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Gravity Doesn’t Have an “Off” Switch (and, sadly, neither do conspiracy theorists)
I don’t spend a ton of time on social media. I have actual work to do and, quite frankly, my tolerance for the digital equivalent of “prospecting for gold in a septic tank” is at an all-time low. Most of … Continue reading
Posted in Science
Tagged Albert Einstein, conspiracy theory, general relativity, gravity, physics, relativity, science, spacetime
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