International Space Station ISS Computer compo site artwork of the ISS orbiting the Earth The ISS will be powered by about square metres of so lar power panels brown The mass of the ISS will be about kilogrammes The inhabitable pressurised modules towards centre will have a total volume roughly equal to the space inside airliners The crew members will perform experiments such as studies of the effects of near weightless microgravity conditions on materials biological tissues The space shuttle may supply the ISS with new crew members provisions equipment The ISS is due to be completed in