央视新闻【分享全程视频！长征八号运载火箭首飞成功】
今天12时37分，长征八号 运载火箭在文昌航天发射场点火升空，成功将5颗试验卫星送入预定轨道，发射取得圆满成功！长征八号运载火箭填补了我国太阳同步轨道3吨至4.5吨运载能力空白，对加速推进运载火箭升级换代具有重要意义。赞中国航天！
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