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Nasa astronauts floating in space1/17/2024 ![]() The International Space Station has an orbital speed of 7.67 km/s (27,600 km/h 17,200 mph). Narrated by David Mitchell, the fifth “60 Second Adventures” series explores how and why we recreate microgravity conditions on Earth using “drop towers” and “parabolic flights” as well as asking people to spend a lot of time in bed that way we can understand processes from bacterial resistance to human aging or even planet formation. Here is a beautiful video explaining what is microgravity and how it helps scientific research. In other words, the microgravity or Micro-g environment is more or less a synonym of weightlessness and zero-g but indicates that g-forces are not quite zero, just very small. So that’s why astronauts and other objects float in space. This is called microgravity, the condition in which people or objects appear to be weightless. Since they are all falling together, the crew and objects appear to float when compared with the spacecraft. So, the ISS (or any spacecraft orbiting Earth or any other celestial body), its crew, and any objects aboard are all falling toward but around Earth. ![]() Related: A bowling ball and feather falling in a vacuum – do they fall at the exact same speed? That is only about 11% less than the 9.81 m/s 2 felt by you and me, on the Earth’s surface.” If these influences were not felt, the astronauts would not stay in orbit.Īt the altitude the astronauts in the ISS inhabit, the gravitational influence from the Earth is 8.75 m/s 2. The gravitational influence from the Earth that keeps the Moon and the ISS in Earth orbit is also felt by the astronauts floating inside and outside the spacecraft. The gravitational influence from the Sun that keeps the Earth in orbit around the Sun is felt equally by the astronauts in space. Gravity is the curvature of spacetime due to the presence of mass. They see astronauts floating around inside and outside of a spacecraft and reach the conclusion that there is no gravity.Īnywhere mass and space exist, gravity exists. “People do not have a good understanding of what weightlessness is. Robert Frost, Instructor and Flight Controller at NASA, says: The funny clip contains great views of planet Earth and nice scenes inside the space station. So to speak.Why do astronauts float in space? Chris Hadfield, the ex-commander of the International Space Station r ecorded a revised cover version of David Bowie’s famous song “Space Oddity” on board while floating in the ISS. You'll find lots more rude talk in the Apollo 10 transcript if you look hard enough - and if you need a little help, Distractions in Space stands ready to lend a hand. The 44-year-old conversation sparked a new round of giggles over the past week, due to its renewed exposure on The Straight Dope, Laughing Squid, Reddit and elsewhere. Some reports have suggested that the transcript describing Apollo 10's "Close Encounters of the Turd Kind" was released just recently, but it's actually been declassified for decades. There are still usability challenges, however, as space passenger Richard Garriott explained in this 2010 video. ![]() The International Space Station provides more commodious commodes, with suction systems that help astronauts deal with zero-G toiletry. "In general, the Apollo waste management system worked satisfactorily from an engineering standpoint," according to the biomedical review. "From the point of view of crew acceptance, however, the system must be given poor marks." Obviously, some steps must have been missed on occasion. The process required "a great deal of skill," a post-Apollo NASA review reported. The Apollo astronauts had a rudimentary system for disposing of solid waste - basically, by doing their business in a bag, sealing up the bag, kneading it to mix in disinfectant, and then putting the whole thing in a waste receptacle.
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