亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频

--- SEARCH ---
WEATHER
CHINA
INTERNATIONAL
BUSINESS
CULTURE
GOVERNMENT
SCI-TECH
ENVIRONMENT
LIFE
PEOPLE
TRAVEL
WEEKLY REVIEW
Learning Chinese
Learn to Cook Chinese Dishes
Exchange Rates
Hotel Service


Hot Links
China Development Gateway
Chinese Embassies

The Ministry of Foreign Affairs
The Ministry of Foreign Trade and Economic Cooperation
Permanent Mission of the People's Republic of China to the UN
Permanent Mission of the People's Republic of China to the United Nations Office at Geneva and other International Organizations in Switzerland
Foreign Affairs College
Institute of American Studies Chinese Academy of Social Sciences
NASA's Spirit Rover Examines Unusual Rock

NASA's Spirit rover stopped to examine an unusual, flaky rock on the surface of Mars Sunday as scientists prepared to send it on a trek that would more than double its one-day distance record.  

The Mars Explorer team hopes the rover will travel about 82 feet Monday morning and make the same distance again during the afternoon. Spirit's longest previous trek was 70 feet in a day, the record for any robot on the Martian surface.

 

Before setting out on Monday's trek, Spirit is examining the flaky rock, dubbed "Mimi."

 

Mission manager Jim Erickson said scientists would like to know why Mimi is flaky but its neighboring rocks are not. He said flakiness may indicate layering, an indication that a rock was formed over time instead of all at once, as might be the case with rock produced by a volcanic eruption.

 

Examining a rock's layers can give scientists hints about the geologic history of the region where it was found.

 

Mimi is just one stop along the way as Spirit moves toward a crater called "Bonneville," about 800 feet from its landing place. It is expected to take about 18 days to get there, Erickson said.

 

On the other side of the planet, the twin rover Opportunity was in position to dig a trench Monday in "Hematite Slope," an area named for an iron-bearing mineral that typically forms in water.

 

The trench would allow scientists to study soil beneath the surface. Opportunity concentrated on examining the surface soil at the spot Sunday for comparison.

 

"Anytime you get anything other than a homogenous structure it's always interesting to the geologists," Erickson said. "It tells you that the area's been active and things have changed over time."

 

(China Daily February 16, 2004)

Spirit Rover Drills Hole into Mars Rock
Mars Rover Sees Possible Water Evidence
Print This Page
|
Email This Page
About Us SiteMap Feedback
Copyright © China Internet Information Center. All Rights Reserved
E-mail: webmaster@china.org.cn Tel: 86-10-68326688
亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频
一区二区三区国产精华| 久久精品卡一| 激情久久久久久久| 国产精品视频| 国产精品二区在线| 欧美无乱码久久久免费午夜一区| 欧美激情乱人伦| 欧美国产日本韩| 欧美国产视频在线| 欧美ab在线视频| 欧美成人国产一区二区| 免费国产自线拍一欧美视频| 久久夜色精品国产亚洲aⅴ| 久久精品国产99国产精品| 欧美一区二视频| 欧美在线一级va免费观看| 亚洲欧美中文另类| 亚洲欧美日韩国产另类专区| 亚洲伊人伊色伊影伊综合网| 一区二区三区欧美| 亚洲影视综合| 欧美一区二区| 久久久久久久综合| 久久伊人亚洲| 欧美成人午夜剧场免费观看| 欧美激情精品久久久久久| 欧美日韩国产精品| 国产精品高潮在线| 国产欧美日韩一区二区三区| 国产香蕉97碰碰久久人人| 国产一区二区视频在线观看| 激情欧美日韩| 亚洲国产日韩欧美综合久久| 日韩一区二区久久| 亚洲先锋成人| 欧美影院在线播放| 亚洲人成高清| 亚洲图色在线| 欧美一区激情| 奶水喷射视频一区| 欧美日韩亚洲一区| 国产欧美日本| 亚洲国产黄色片| 在线视频精品一区| 欧美一区二区免费| 亚洲伦理网站| 亚洲尤物在线视频观看| 欧美一区二区在线看| 美女尤物久久精品| 欧美日韩亚洲一区二区三区在线观看| 国产精品欧美久久久久无广告| 国产亚洲欧美一区二区| 亚洲国产精品电影| 亚洲一区二区三| 亚洲国产日韩在线| 亚洲视频在线观看一区| 欧美有码视频| 欧美激情一区二区| 国产精品无码永久免费888| 韩国av一区二区三区四区| 亚洲日韩成人| 欧美一区二区性| 日韩一级不卡| 久久精品视频免费观看| 欧美另类69精品久久久久9999| 国产精品―色哟哟| 亚洲国语精品自产拍在线观看| 亚洲图片欧美一区| 亚洲国产一区二区精品专区| 亚洲一级二级在线| 久久亚洲精品中文字幕冲田杏梨| 欧美日韩国产限制| 韩国女主播一区二区三区| 99精品久久久| 亚洲国产精品va在线看黑人动漫| 亚洲天堂偷拍| 免费观看日韩av| 国产欧美精品一区aⅴ影院| 亚洲精品久久久蜜桃| 欧美在线视频免费播放| 亚洲一区二区不卡免费| 老鸭窝亚洲一区二区三区| 欧美亚州在线观看| 91久久精品一区二区别| 欧美一区二区网站| 亚洲欧美精品一区| 欧美另类视频| 在线观看一区欧美| 欧美一区二区高清在线观看| 亚洲深夜福利网站| 欧美国产日韩一区二区三区| 国产午夜精品久久久久久免费视| 一二三四社区欧美黄| 亚洲精品久久久久久久久久久| 久久国产免费看| 国产精品久久久久9999吃药| 亚洲精品1区| 亚洲国产精品va| 久久久精品五月天| 国产精品网红福利| 亚洲午夜电影网| 一本色道久久综合亚洲二区三区| 老司机精品视频网站| 国产亚洲高清视频| 亚洲一区二区三区四区在线观看| 99精品99| 欧美精品在线看| 亚洲国内欧美| 亚洲精品久久| 欧美大片在线影院| 樱桃成人精品视频在线播放| 欧美在线免费观看| 久久久精品动漫| 国产色产综合产在线视频| 一区二区三区国产盗摄| 制服丝袜亚洲播放| 欧美日韩一区二区三| 日韩视频一区二区在线观看 | 一本久久青青| 欧美激情91| 亚洲精品一区中文| 一区二区欧美激情| 欧美色区777第一页| 99亚洲视频| 在线视频精品一区| 欧美日韩伦理在线免费| 夜夜狂射影院欧美极品| 亚洲视屏一区| 国产精品国产a级| 亚洲在线免费观看| 久久国产一区二区三区| 韩国福利一区| 亚洲国产片色| 欧美激情第1页| 夜夜嗨av一区二区三区免费区| 亚洲中字在线| 国产精品一卡| 久久黄金**| 欧美国产日韩在线观看| 亚洲狼人综合| 亚洲欧美日韩另类| 国产视频在线观看一区二区三区| 欧美在线免费观看视频| 免费日韩视频| 亚洲美女av在线播放| 午夜精品福利一区二区蜜股av| 国产日产欧美一区| 亚洲第一区在线| 欧美精品久久久久久久久老牛影院| 一本色道久久88精品综合| 欧美一站二站| 亚洲电影第1页| 一区二区三区日韩欧美精品| 国产精品国产三级国产普通话三级| 亚洲欧美日韩一区二区三区在线观看| 久久gogo国模啪啪人体图| 1024成人| 亚洲影院免费| 国产一区二区三区av电影| 日韩小视频在线观看| 国产精品久久久久久久午夜| 欧美一区午夜精品| 欧美国产高清| 亚洲欧美日产图| 欧美a级大片| 国产精品99久久久久久久久久久久| 久久av在线看| 亚洲精品欧美日韩专区| 欧美一区综合| 亚洲精品一区久久久久久| 欧美在线视频一区二区三区| 亚洲黑丝在线| 欧美一区在线视频| 亚洲人成在线播放| 久久av一区二区| 亚洲精品之草原avav久久| 欧美一区激情| 亚洲人成人一区二区在线观看| 午夜欧美大片免费观看| 亚洲电影在线免费观看| 欧美一区二区免费视频| 亚洲人体影院| 久久久久久网| 一区二区精品在线| 蜜臀久久99精品久久久画质超高清| 一本色道久久综合亚洲精品小说 | 欧美www视频| 亚洲字幕在线观看| 欧美精品三级日韩久久| 欧美在线一区二区三区| 欧美色图五月天| 亚洲国产高清自拍| 国产欧美日韩麻豆91| 99视频在线精品国自产拍免费观看| 国产农村妇女毛片精品久久麻豆 | 亚洲另类在线一区| 久久久一区二区三区| 亚洲私人影吧| 欧美另类69精品久久久久9999| 欧美在线视频在线播放完整版免费观看|