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Tag Archives: weightlessness
Riding the Invisible Currents of Gravity
After exploring why gravity doesn’t “turn off” and why astronauts in low Earth orbit are really just falling forever, we can finally follow that idea to its natural conclusion: what happens when you keep falling all the way to the … Continue reading
Posted in Science, Technology
Tagged Artemis II, Christina Koch, Earth, equi-gravis, falling, free-return trajectory, gravity, Jeremy Hansen, Lagrange points, Mars, Moon, orbital mechanics, physics, Reid Wiseman, rocketry, science, space travel, three-body problem, translunar trajectory, Victor Glover, weightlessness
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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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