The US Military and Iridium Satellite LLC both confirmed that according to US East Coast time at 11:55 a.m. on 10th a commercial Iridium communications satellite collided with a defunct Russian military communication satellite over northern Siberia. It is the first-ever crash for two big communications satellites in the history of human space.
Of these two satellites one is the US commercial satellite launched in 1997 the other is the Russian satellite put into orbit in 1993 the latter one has already abandoned.The spokesman of the NASA said the crash has left a large number of debris drifting in space which might pose a slight risk to the International Space Station.
美国军方和美国LLC铱星公司12日均确认,美国东部时间10日上午11时55分,美国铱卫星LLC公司的一颗商用通信卫星与一颗已经报废的俄罗斯军用通信卫星10日在西伯利亚北部上空相撞,这是人类太空史上首次发生两颗大型卫星相撞事件。
The U.S. military and the U.S. LLC Iridium satellite company confirmed on the 12th that at 11:55 a.m. EDT on the 10th, a commercial communication satellite of the U.S. Iridium satellite company collided with a scrapped Russian military communication satellite over northern Siberia on the 10th, which was the first time that two large satellites collided in the history of human space.
两颗卫星中,一颗是美国1997年发射的商用卫星,另一颗是俄罗斯1993年发射的卫星,后一颗卫星已经报废。美宇航局发言人说,两颗卫星相撞产生的大量碎片散落到太空中,这对国际空间站可能会产生轻微影响。
One of the two satellites is a commercial satellite launched by the United States in 1997, the other is a Russian satellite launched in 1993, and the latter one has been scrapped. A spokesman for NASA said that a large amount of debris from the collision between the two satellites had scattered into space, which may have a slight impact on the international space station.
沪教版牛津小学四年级英语Module2 Unit1教案
牛津小学四年级英语教案4A词组、句子
小学英语四年级教案及反思.Recycle 1
苏教牛津版小学英语四年级上册教案 Unit8
小学四年级英语上册lesson5教案示例
小学英语四年级教案及反思Unit 3
沪教版牛津小学四年级英语Module1 Unit3教案4
小学英语四年级教案及反思Recycle 2
小学四年级英语上册lesson3教案示例
(沪教牛津版)小学英语四年级上册Unit1教案
小学英语四年级教案及反思Unit 4
小学英语四年级上册Unit4教案
小学英语四年级教案及反思Unit 5
人教版小学四年级英语Unit3教案
小学英语四年级教案及反思Unit 1
小学四年级英语下册教案 单词复习
小学四年级英语教案 May I have…词句归纳
四年级英语上册lesson4内容分析教案1
沪教版牛津小学四年级英语module3 uint2教案
沪教版牛津小学四年级英语module2 uint3三四课时教案
小学四年级英语上册lesson3步骤建议教案
小学四年级英语下册教案 语法重点句型复习
沪教牛津版小学英语四年上册 Unit3 period2教案
小学英语四年级上册Unit1第三课时教案
小学四年级英语上册lesson3内容分析教案
小学四年级英语上册lesson4教案示例
沪教牛津版小学英语四年级上册教案 Unit 3
小学英语四年级教案及反思Unit 2
小学四年级英语上册lesson34教案示例
小学英语四年级上册 Unit1第二课时教案
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |