Cassinis final moments

JEFF FOUST

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Cassinis final moments

机译：卡西尼斯最后时刻

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IN THE FINAL MINUTES OF CASSINIS 20-YEAR MISSION in the early morning hours of Sept. 15, team members focused their attention on a pair of green lines that looked like EKGs. The displays showed the signal being received by NASA's Deep Space Network (DSN) at X- and S-bands, each with a spike in the middle: the signal from, and the heartbeat of, Cassini. At 7:55:39 a.m. Eastern, the spike on the X-band display disappeared, indicating that the DSN was no longer receiving a signal from Cassini at that frequency. Seven seconds later, the same thing happened for the S-band display. Cassini had gone silent, for good.

机译：在9月15日凌晨，卡西尼20年计划的最后几分钟，团队成员将注意力集中在看起来像心电图的绿线上。显示屏显示了NASA的深空网络（DSN）在X波段和S波段接收到的信号，每个信号的中间都有一个尖峰：来自卡西尼号的信号和心跳信号。在东部时间上午7：55：39，X波段显示屏上的尖峰消失了，这表明DSN不再以该频率从卡西尼号接收信号。七秒钟后，S波段显示器也发生了同样的事情。卡西尼号一直保持沉默。

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《Space news》 |2017年第19期|12-13|共2页
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JEFF FOUST;
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1. Energetic Ion Moments and Polytropic Index in Saturn’s Magnetosphere using Cassini/MIMI Measurements: A Simple Model Based on κ-Distribution Functions [J] . Konstantinos Dialynas, Elias Roussos, Leonardo Regoli, Journal of Geophysical Research, A. Space Physics: JGR . 2018,第10期

机译：使用Cassini / MIMI测量的土星磁层中的精力充沛的离子矩和多细胞指数：基于κ分配功能的简单模型
2. CONSTRAINING SATURN’S CORE PROPERTIES BY A MEASUREMENT OF ITS MOMENT OF INERTIA—IMPLICATIONS TO THE CASSINI SOLSTICE MISSION [J] . R. Helled The Astrophysical Journal. Letters . 2011,第1期

机译：通过测量其对Cassini Solstice Mission的惯性惯性矩的惯性矩的测量来限制土星的核心特性
3. The effect of spacecraft radiation sources on electron moments from the Cassini CAPS electron spectrometer [J] . Christopher S. Arridge, Linda K. Gilbert, Gethyn R. Lewis, Planetary and space science . 2009,第7期

机译：航天器辐射源对卡西尼CAPS电子光谱仪电子矩的影响
4. Cassini's Grand Finale: A mission planning retrospective [C] . Erick J. Sturm IEEE Aerospace Conference . 2018

机译：卡西尼号的总决赛：任务计划回顾
5. Exploring the surface liquid and lake regions of Titan with laboratory experimentation and Cassini spacecraft data. [D] . Wasiak, Felix C. 2012

机译：利用实验室实验和卡西尼号航天器数据探索泰坦的地表液体和湖泊区域。
6. Shaq is not Alone: Free-Throws in the Final Moments of a Basketball Game [O] . Miguel-Ángel Gómez, Simcha Avugos, Miguel-Ángel Oñoro, 2018

机译：沙克并不孤单：篮球比赛最后时刻的罚球
7. Constraining Saturn’s Core Properties by a Measurement of Its Moment of Inertia- Implications to the Cassini Solstice Mission [O] . R. Helled 2016

机译：通过测量惯性的时间来约束土星的核心特性 - 对卡西尼号至日任务的影响

Cassinis final moments

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