论文部分内容阅读
我国第一颗科学实验卫星“实践一号”发射成功1971年3月3日,在毛泽东“我们也要搞人造卫星”指示的鼓舞下,我国成功地发射了一颗科学实验人造地球卫星。卫星重221公斤。其运行轨道距地球最近点266公里,最远点1826公里,轨道平面与地球赤道平面的夹龟为69.9度;绕地球一周需时106分钟。它用20009兆赫和19995兆赫的频率成功地向地面发回了
On March 3, 1971, encouraged by the instructions of Mao Zedong and “We also want to make artificial satellites,” China successfully launched a science experiment man-made Earth satellite. Satellite weight 221 kg. Its orbit is 266 kilometers from the earth’s closest point and 1826 kilometers as far as the earth. The orbit plane and the Earth’s equatorial plane are 69.9 degrees, and it takes 106 minutes a week around the Earth. It successfully returned to the ground at 20009 MHz and 19995 MHz