9J+Key+terms

9J Satellites and space

9J Key terms

 * artificial satellite || geostationary orbit || newton (N) || Solar System ||
 * communications satellite || gravity || orbit || space probe ||
 * Earth observation satellite || infrared radiation || orbiter || star ||
 * electromagnetic spectrum || lander || planet || universe ||
 * elliptical || mass || polar orbit || visible light ||
 * galaxy || natural satellite || satellite || weight ||