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Galaxy Nation Explore the other side of the universe. Discuss AM/FM, XM, DISH, DirecTV, HD Radio, and all mp3 players. Here you can also discuss the ins and outs of tomorrow's radio technology...where music and satellites collide. Who said it's not rocket science?!?

 
 
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Old 01-24-2005, 06:50 PM   #1
zeitwatch1
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Default How did they know where the moon was?

So I was jogging along this evening, looking into the eastern sky at the gorgeous full (or nearly full) moon low on the horizon, and I wondered: WAYYY back in the 1960s when they started planning the moon missions, how did they even know exactly how to get to the moon? I mean, it looks like a straight shot from Point A to Point B, but obviously it's at a different trajectory (i.e., not straight up into the sky). Then I started wondering about the satellites, Sirius 1-3 and XM 1 & 2, and how the engineers/scientists knew which direction to launch them to get them into the proper orbit. Could someone who is space-minded explain this to me?
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Old 01-24-2005, 07:24 PM   #2
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Whatever you do, don't go to this site for help:

http://www.mynameisphil.com/

Later,

Sean
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Old 01-24-2005, 09:55 PM   #3
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Quote:
Originally Posted by ThePope
Whatever you do, don't go to this site for help:

http://www.mynameisphil.com/
Why not, if I may ask?
...phil
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Old 01-24-2005, 10:27 PM   #4
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Default a wee history of Astrodynamics

Well, its really pretty dry, especially after about 1800 or so, but here is a short treatise about the history and discoveries that made that July 1969 hop skip and a jump to a rock some 250,000 miles away and back.

What is really amazing is the computers on the Apollo craft of that time are not quite on par with some of today’s scientific calculators. . .

Anyhow, thy this:

http://en.wikipedia.org/wiki/Astrodynamics

It all started a long, long time ago, in a place not that far away. . . If nothing else, just remember, this is REAL LIFE ROCKET SCIENCE!!
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Old 01-24-2005, 10:42 PM   #5
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How did they know where the moon was?
 
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Default Re: How did they know where the moon was?

Quote:
Originally Posted by zeitwatch1
WAYYY back in the 1960s when they started planning the moon missions, how did they even know exactly how to get to the moon?
They used studio 214 on the Warner Bros lot in Hollywood. It was much easier and it fooled all of us.
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Old 01-25-2005, 12:42 PM   #6
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Quote:
Originally Posted by ThePope
Whatever you do, don't go to this site for help:

http://www.mynameisphil.com/

Later,

Sean
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Old 01-25-2005, 07:51 PM   #7
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Default Re: How did they know where the moon was?

Quote:
Originally Posted by Michigan Made
Quote:
Originally Posted by zeitwatch1
WAYYY back in the 1960s when they started planning the moon missions, how did they even know exactly how to get to the moon?
They used studio 214 on the Warner Bros lot in Hollywood. It was much easier and it fooled all of us.
...... I hope.....
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Old 01-25-2005, 08:26 PM   #8
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they looked and pointed to the sky :\
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Old 01-26-2005, 03:03 AM   #9
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Quote:
Originally Posted by Yester18
they looked and pointed to the sky :\
My song about the moon landing says it all...

http://www.mynameisphil.com/media/ch...sonthemoon.mp3

Don't be fooled by the NASA lie
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Old 01-29-2005, 09:57 AM   #10
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Two blonds sitting on the porch star gazing with heavy contemplating. Suzie asks Sara "Which do you think is farther away Florida or the moon? Sara "H - e - l - l - o Sue you big ding bat can you see Florida from here?".
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Old 01-30-2005, 06:53 AM   #11
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Quote:
They used studio 214 on the Warner Bros lot in Hollywood. It was much easier and it fooled all of us.

Are you sure it wasn't studio '51' ??
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Old 01-30-2005, 11:04 AM   #12
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Quote:
Originally Posted by Satradioman
Quote:
They used studio 214 on the Warner Bros lot in Hollywood. It was much easier and it fooled all of us.

Are you sure it wasn't studio '51' ??
It could of been. I couldn't remember the exact studio #. But I do believe that Hollywood had something to do with it.
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Old 01-30-2005, 11:22 AM   #13
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I am majoring in aerospace engineering right now.

If you really want to know this you have to take a lot of physics, math, and dynamics classes. Besides that, dynamics in space are easier to understand. There is no wind, air resistance, etc.

They needed enough thrust to get them out of earth's gravity then the rest was just letting physics take over and coasting to the moon where they would be at the right speed to orbit the moon.

Oh and leaving earth's gravity doesn't mean going into orbit like the space shuttle or satellites. These things are still being pulled by earth's gravity. The reason the astronauts float around is because the shuttle is in free fall, falling back towards earth. But they stay in orbit because they are "falling" fast enough that they orbit the earth. If the shuttle wasn't going fast enough then it would get pulled right back down by earth.
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Old 01-31-2005, 07:59 AM   #14
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Quote:
It could of been. I couldn't remember the exact studio #. But I do believe that Hollywood had something to do with it.

Sorry,I was trying to be a wise ass...The '51' I used was in reference to 'area 51'....


BTW we did land on the moon,Hollyweird was not involved...
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Old 01-31-2005, 03:15 PM   #15
Michigan Made
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Quote:
Originally Posted by Satradioman
Quote:
It could of been. I couldn't remember the exact studio #. But I do believe that Hollywood had something to do with it.

Sorry,I was trying to be a wise ass...The '51' I used was in reference to 'area 51'....


BTW we did land on the moon,Hollyweird was not involved...
I guess I was trying to be a wise ass as well. We're even.
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