Which model could represent a neutral atom of nitrogen?

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

electrical power

need to see circuit to get time constant

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19