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追逐彗星的“罗塞塔”号探测器

出版日期:2015-06  ISBN:978-7-03-044402-8  丛书:中国科学院科学与社会系列报告  中图法分类:N1 
内容提要

Comets are the best samples of primitive solar nebula material presently available to us,dating back 4.6 billion years to the origin of our planetary system.Past missions to comets have all been"fast flybys",they provided only a snapshot view of the dust and ice nucleus,the nebulous coma surrounding it,and how the solar wind interacts with both of these components.

Rosetta is now taking a more prolonged look.The spacecraft is an ESA mission,with contributions from member states and from NASA,and it currently orbits the Jupiter family comet 67P/Churyumov-Gerasimenko.Rosetta met the comet nucleus on 6 August 2014,at 3.7 astronomical units(AU)from the Sun,and delivered the Philae lander to the nucleus surface on 12 November 2014,when the comet was 3.0 AU from the Sun.

The data from the Rosetta allow us to build a detailed portrait of comet 67P.These initial observations provide a reference description of the global shape,the surface morphology and composition,and the bulk physical properties of the nucleus.Subsequent measurements with the orbiter and with the Philae lander will further describe the comet over time.

As a milestone in the history of science,the Rosetta mission is very useful for designing the framework of deep space exploration for our own country.

深化体制机制改革 释放科技创新潜能

来自《2015科学发展报告》作者:中国科学院  ISBN:978-7-03-044402-8 

白春礼党的十八大提出实施创新驱动发展战略,这是我国立足全局、面向未来的重大战略,是促进社会进步和加快转变经济发展方式、破解经济发展深层次矛盾和问题、增强经济发展内生动力和活力的根本...... [更多]

空间科学 基础前沿科学探索的先锋

来自《2015科学发展报告》作者:顾逸东   GuYidong  ISBN:978-7-03-044402-8 

This paper describes the rising of space science and the achievements in space physics and solar physics,space astronomy,lunar and planetary science,space geo-science,space ...... [更多]

微纳光子学发展现状与展望

来自《2015科学发展报告》作者:王启明   WangQiming  ISBN:978-7-03-044402-8 

Micro/Nano-photonics is a newly emerging subject,which is currently in the cross-development period.It is developed to meet the requirement of the very high operating rate for ...... [更多]

追逐彗星的“罗塞塔”号探测器

来自《2015科学发展报告》作者:刘建军   邹小端   李春来   LiuJianjun   ZouXiaoduan   LiChunlai  ISBN:978-7-03-044402-8 

Comets are the best samples of primitive solar nebula material presently available to us,dating back 4.6 billion years to the origin of our planetary system.Past missions to co...... [更多]

核物理前沿科学问题

来自《2015科学发展报告》作者:叶沿林   YeYanlin  ISBN:978-7-03-044402-8 

For more than a century nuclear physics has been a main frontier of the physical science and has made great impact on the human society and the national security world wide.Pres...... [更多]

中微子物理研究进展与趋势

来自《2015科学发展报告》作者:王贻芳   WangYifang  ISBN:978-7-03-044402-8 

Research Progress and Prospect of Neutrino Studies Wang Yifang Neutrino studies,in particular neutrino oscillation studies,are the most exciting topics in the world particle ...... [更多]

手性科学与技术

来自《2015科学发展报告》作者:丁奎岭   DingKuiling  ISBN:978-7-03-044402-8 

New opportunities are emerging in the R&D of chiral science and chiro technology,for which numerous innovative methodologies are being sought after that allow for maximum prec...... [更多]

光子功能金属-有机框架材料研究进展

来自《2015科学发展报告》作者:崔元靖   钱国栋   CuiYuanjing   QianGuodong  ISBN:978-7-03-044402-8 

Metal-organic frameworks(MOFs) are permanently microporous materials synthesized by assembling metal ions with organic ligands in appropriate solvents.Because of the inherenta...... [更多]