本来边远地区就不需要电视塔呀，不是直接用卫星电视吗  
  
【 在 wangsibo (Bourne) 的大作中提到: 】
:  那为啥要建电视塔？直接用卫星电视多方便？
:  【 在 ericzeng 的大作中提到: 】
:  : 没有听说过卫星电视？卫星不比电视塔高？按你说的，地面怎么从卫星接收到电视画面的？  
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FROM 221.222.21.*

登月的时候，苏联有几个月球探测器？我一个都没找到，麻烦您给一下信息？

苏联的第一个探测器1966年环月，结果揭秘后发现还是作假。
每个月球卫星都是有寿命的，飞不了太久，当前这个时间点月球还有几颗卫星？

  
【 在 autohawk (凹凸霍克) 的大作中提到: 】
:  我相信登月是真的，理由就一个。
:  凭苏联的技术，要是造假，苏联绝对能发现。
:  登月的时候，月球轨道还好多苏联卫星探测器呢
:  
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FROM 223.104.41.*

我们现在用到的技术，都是阿美几十年前就研究出来的。
定期放出来一些技术是怜悯天下苍生，造福人类的。
保险柜里的黑科技还有一大堆呢。

所以，tf卡技术啥都不是，人家早就研发出来了。
【 在 visco 的大作中提到: 】
: 当时就有tf卡了？  
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FROM 222.129.7.*

根据相对位置和起飞轨迹，提前设定好的动作啊

【 在 hsz76 的大作中提到: 】
: 水木牛逼，链接不知道触发什么关键字无法发出来，你照着下面文字搜NASA链接吧
: The other thing that I'll explain to you how it worked, and it's a little interesting, is you've seen this picture where the lunar module lifts off and the camera follows it. Well, on 15, the motor burned out and we couldn't do that. On 16, the rover was not parked in the right place, so consequently we missed it.
: Now, the way that worked was this. Harley Weyer, who worked for me, sat down and figured what the trajectory would be and where the lunar rover would be each second as it moved out and what your settings would go to. That picture you see was taken without looking at it at all. There was no watching it and doing anything with that picture. As the crew counted down, that's a [Apollo] 17 picture you see, as [Eugene A.] Cernan counted down and he knew he had to park in the right place because I was going to kill him, he didn't—and Gene and I are good friends, he'll tell you that—I actually sent the first command at liftoff minus three seconds. And each command was scripted, and all I was doing was looking at a clock, sending commands. I was not looking at the television. I really didn't see it until it was over with and played back. Those were pre-set commands that were just punched out via time. That's the way it was followed. That's the way it followed it.
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FROM 222.249.234.*

放到现在的技术用你计算？
那时候你搞这么个控制相机你都搞不定，还计算毛
【 在 hsz76 的大作中提到: 】
: 我26楼贴的那段英文解释的很清楚了，计算好发射轨迹，镜头到发射点距离已知，剩下的就是按照时间片计算镜头角度和焦距的几何问题了，这些变量按照通讯延迟量提前三秒按顺序发送给摄像机。
: 这套系统尝试了三次，阿波罗15云台的驱动器烧了，阿波罗16车停错位置了都没拍到，只有17成功了。你要是仔细观看原来的30秒视频，能清楚的看到两次调整仰角的情况，飞行器快飞出画面上方了又拉回到底部的情况，摄像头并不是实时跟拍，只是按预定角度在拍摄罢了。
: 但说这些有什么用？不信的人还是不信，说还不如相信外星人，所以还科普个毛线啊。
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FROM 223.104.40.*