[文章版权 禁止转载:考试与评价 pvg@
!437?)DWyu�zwFroG]
“嫦娥二号”发射圆满成功[文章来自:考试与评价 u=zJ8o|xZ[AI)V):$]
China's 2nd lunar probe Chang'e-2 blasts off[文章版权 禁止转载:考试与评价 g�Omh *s)s8tx72RFroG]
[文章版权 禁止转载:考试与评价 M-K`005
lXM5B\rraFroG]
西昌卫星发射中心10月1日宣布，“嫦娥二号”卫星准确入轨，发射圆满成功。
[文章版权 禁止转载:考试与评价 #%_(=)�dT&aP}XZ4{DIFroG]
“嫦娥二号”卫星是中国自主研制的第2颗月球探测卫星，继2007年“嫦娥一号”一举实现中华民族千年奔月梦想之后，“嫦娥二号”的成功发射，标志着中国探月工程又向前迈出重要一步。
[文章版权 禁止转载:考试与评价 rD~wknc=dPzh0@kK{FroG]
本次发射是“长征三号丙”运载火箭首次担负月球探测卫星发射任务，也是中国“长征”系列运载火箭第131次航天飞行。
[文章版权 禁止转载:考试与评价 :rAZ'LV_ Xc6x:FroG]
China launched its second unmanned lunar probe, Chang'e-2 on Friday, inaugurating the second phase of a three-step moon mission, which will culminate in a soft-landing on the moon.
[文章版权 禁止转载:考试与评价 9e|"F(5dMD" P|g1OFroG]
At 6:59:57 pm, the satellite blasted off on a Long March 3C carrier rocket from No 2 launch tower at the Xichang Satellite Launch Center in southwest China's Sichuan Province.
[文章版权 禁止转载:考试与评价 \vz-1AV~+1AKW5-JFroG]
"Chang'e-2 lays foundation for the soft-landing on the moon and further exploration of outer space," said Wu Weiren, chief designer of China's lunar orbiter project.
[文章版权 禁止转载:考试与评价 =hA|q720Z=G DPCnFroG]
Chang'e-2 entered the orbit with a perigee of 200 kilometers and apogee of 380,000 kilometers as scheduled. There it separated from the carrier rocket.
[文章版权 禁止转载:考试与评价 5K D==X*bnSG+YFroG]
It was the first time that a Chinese lunar probe directly entered the earth-moon transfer orbit without orbiting the earth first.
[文章版权 禁止转载:考试与评价 h&[iIGR!,wO1W$&FroG]
"It is a major breakthrough of the rocket design, as it saves energy used by the satellite and speeds up the journey to the lunar orbit," said Pang Zhihao, a researcher with the China Academy of Space Technology.
[文章版权 禁止转载:考试与评价 ?[ew.Y \sH3
9*z AFroG]
The lunar satellite is expected to take about 112 hours, or almost five days, to arrive at its lunar orbit, faster than the 12 days taken by the Chang'e-1 three years ago.
[文章版权 禁止转载:考试与评价
�D;c;[=&2US{-sBjMFFroG]
"It travels faster and closer to the moon, and it will capture clear pictures," Wu said.
[文章版权 禁止转载:考试与评价 Jk/m StQ4ui oi\FroG]
Chang'e-2, named after a legendary Chinese goddess of moon, will orbit 100 kilometers above the moon, compared with 200 kilometers for Chang'e-1.
[文章版权 禁止转载:考试与评价 8$FPk]HP9A~ wFroG]
Total expenditure for the Chang'e-2 mission is about 900 million yuan ($134.33 million).
[文章版权 禁止转载:考试与评价 |}eJ9(^
HLvMdNm)eFroG]
China launched its first lunar probe, Chang'e-1, in October 2007, marking a milestone in the country's space exploration.
[文章版权 禁止转载:考试与评价 8#S%d9$rPu{c72;T{FroG]
After orbiting for 494 days and intentionally crashing onto the lunar surface, Chang'e-1 sent back 1.37 terabytes of data, producing China's first complete moon picture. The data has been shared with other countries for free.
[文章版权 禁止转载:考试与评价 3 4%UkL{QJh ayb+wFroG]
China became the third country after Russia and the United States to send a person into space in 2003.
[文章版权 禁止转载:考试与评价 vH~G| xTn2d,6 nFroG]
Two more manned space missions followed with the most recent in 2008 involving China's first human space walk.
[文章版权 禁止转载:考试与评价 rVvdN{SJ :,Q
FroG]
[文章版权 禁止转载:考试与评价 Bxu\dXM_Q$3k-b#8 FroG]
