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首页> 外文期刊>Geophysical Research Letters >Constraining the Ratio of Micrometeoroids From Short‐ and Long‐Period Comets at 1?AU From LADEE Observations of the Lunar Dust Cloud
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Constraining the Ratio of Micrometeoroids From Short‐ and Long‐Period Comets at 1?AU From LADEE Observations of the Lunar Dust Cloud

机译：限制1〜au从短腹彗星的微小彗星的比例从养老尘云的腰部观察

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Abstract >We interpret recent observations of the secondary dust ejecta cloud around the Moon from the Lunar Dust Experiment (LDEX) on board the NASA Lunar Atmosphere and Dust Environment Explorer (LADEE) spacecraft with help from dynamical models of meteoroids. Results suggest that in order to match the spatial structure of observed ejecta profiles, the flux of meteoroids on the Moon must be primarily provided by short‐period comets with an excess ratio of at least 1.3:1 compared to long‐period comets. This ratio increases significantly if the dependence of the ejecta yield on impactor velocity is stronger than generally believed. The model accounts for the orbital geometry of LADEE and shows no indication of a large asymmetry in the meteoroid flux impacting from the Helion and Anti‐Helion directions. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”XML：ID =“GRL56901-ABS-ABS-ABS-ABS-0001”> <标题类型=“MAIN”>抽象</标题> <P>我们解释最近的二次灰尘观察 来自月球围绕月球围绕月球（LDEX）的喷射云，在美国宇航局的月球气氛和尘埃环境探险家（Ladee）航天器中的流动性型号的动态模型。 结果表明，为了匹配观察到的喷射器型材的空间结构，与长周期彗星相比，月球上的环状磁体的通量必须主要由短周期彗星提供至少1.3：1的短周期彗星。 如果喷射物速度对撞击速度的依赖性强于一般认为，该比率会增加显着。 该模型占扶手几何形状的轨道几何形状，并且不显示在从Helion和抗Helion方向影响的青色助焊剂中的大不对称性。</ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-23539/'>《Geophysical Research Letters》</a> <b style="margin: 0 2px;">|</b><span>2018年第4期</span><b style="margin: 0 2px;">|</b><span>共10页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Janches Diego&option=202" target="_blank" rel="nofollow">Janches Diego;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pokorny Petr&option=202" target="_blank" rel="nofollow">Pokorny Petr;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sarantos Menelaos&option=202" target="_blank" rel="nofollow">Sarantos Menelaos;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Szalay Jamey R.&option=202" target="_blank" rel="nofollow">Szalay Jamey R.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Horányi Mihaly&option=202" target="_blank" rel="nofollow">Horányi Mihaly;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Nesvorny David&option=202" target="_blank" rel="nofollow">Nesvorny David;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Space Weather LaboratoryNASA/Goddard Space Flight CenterGreenbelt MD USA;</p> <p>Space Weather LaboratoryNASA/Goddard Space Flight CenterGreenbelt MD USA;</p> <p>Geospace Physics Laboratory Heliophysics Science DivisionNASA/Goddard Space Flight CenterGreenbelt MD USA;</p> <p>Department of Astrophysical SciencesPrinceton UniversityPrinceton NJ USA;</p> <p>Department of PhysicsUniversity of Colorado BoulderBoulder CO USA;</p> <p>Southwest Research InstituteBoulder CO USA;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Moon&option=203" rel="nofollow">Moon;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=meteoroids&option=203" rel="nofollow">meteoroids;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=comet&option=203" rel="nofollow">comet;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=dust&option=203" rel="nofollow">dust;</a> </p> <div class="translation"> 机译：月亮;青色;彗星;灰尘; </div> </li> <li> <span class="lefttit">入库时间</span> <span>2022-08-19 17:14:12</span> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704019851233.html">Constraining the Ratio of Micrometeoroids From Short‐ and Long‐Period Comets at 1?AU From LADEE Observations of the Lunar Dust Cloud</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Janches Diego&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Janches Diego,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pokorny Petr&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Pokorny Petr,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sarantos Menelaos&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Sarantos Menelaos,</a> <a href="/journal-foreign-23539/" target="_blank" rel="nofollow" class="tuijian_authcolor">Geophysical Research Letters .</a> <span>2018</span><span>,第4期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：限制1〜au从短腹彗星的微小彗星的比例从养老尘云的腰部观察</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/070409208783.html">The Lunar Dust Experiment (LDEX) Onboard the Lunar Atmosphere and Dust Environment Explorer (LADEE) Mission</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=M. 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connected upstream of lens in observation direction, and image integration system connected downstream of camera sensor</a> <b>[P]</b> . <span> 外国专利： <!-- 德国专利： --> DE102007036711A1 </span> <span> . 2008-10-23</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：用于在明亮的天空中观察天体的光学观察系统，即月球望远镜，具有沿观察方向连接在镜头上游的遮光结构，以及连接在相机传感器下游的图像集成系统 </span> </p> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130493122661.html">The direction of the exposure device for short time receptacles, or a short period of observations</a> <b>[P]</b> . <span> 外国专利： <!-- 德国专利： --> DE835398C </span> <span> . 1952-03-31</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：短时间容器或短时间观察时曝光设备的方向 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130493126609.html">The direction of the exposure device for short time receptacles and short period of observations</a> <b>[P]</b> . <span> 外国专利： <!-- 德国专利： --> DE831356C </span> <span> . 1952-02-11</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：短时间容器和短时间观察的曝光设备的方向 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" onclick="ywcd('0704019851233','4',7,2,1,'',this,24)" class="delivery" prompt="010401" title="通过人工服务将文献原文发送至邮箱" 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