The ISS has to be carried into orbit with the help of a rocket. To reach and to remain in orbit, the ISS needs a certain speed. To test how the ISS remains in orbit around the Earth you only need string and an eraser.
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Keywords: Physics, ISS, Astronauts, Orbit, Speed
Material:Liostáil lenár nuachtlitir chun an nuacht is déanaí, nuashonruithe misin, agus léargas eisiach a fháil go díreach i do bhosca isteach. Bí ar an gcéad duine a bheidh ar an eolas faoinár dtionscadail agus ár ndul chun cinn atá le teacht.
