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How do satellites work?
7/2/2012 | POWERSBOOTHEFAN

Posted on 07/01/2012 9:08:55 PM PDT by POWERSBOOTHEFAN

Does anyone here have knowledge about space and how satellites work? How are they launched,kept in orbit and brought back to earth?

I'm a science geek and really curious about the universe.


TOPICS: Astronomy; Chit/Chat
KEYWORDS: astronomy; geek; impulsive; nasa; satellites; science; vanity
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To: POWERSBOOTHEFAN
St. Louis Blues? I am a Tampa Bay Lightning fan.

If you cannot remember what you posted on your About page less than 3 years ago, then it's no wonder you don't remember your high school physics from the the 1990's.

Pay no attention to me. I'm waiting for my laundry to finish so I can go back to bed, and your thread is amusing me.

51 posted on 07/01/2012 10:46:44 PM PDT by Former War Criminal (Who am I? Why am I here?)
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To: POWERSBOOTHEFAN
"Shall I slap a dunce cap on my head and stand in the corner? I haven’t taken Astronomy yet."

Your question was loaded. It would require someone to write a few hundred pages of detailed information to even get you started down a path of where then to look for such information.
Regardless of your age. That's fine. Consider books at your local library. If your in High School, perhaps, search your library and local colleges. You frequent the internet.
Log onto NASA.gov. Send them a email to help you find a ton of useful sites, that can help in your quest of knowledge.
Your questions quite frankly where beyond a simple explanation. Take the rough answers as perhaps a guide in that you must become more adapt at doing a lot of "homework".
Regarding "Astronomy". That has nothing to do with rocket flight mechanics, nor satellites design. Nor in the myriad of electronic components that go into the systems that are lifted into space for diverse applications.
But I sense it was an appeal that your on your "way up", in the learning curve. So don't take my writing as a rebutal or rebuke on that statement.
Don't be discouraged by some of the answers. Do understand, if your really serious about seeking knowledge in these particular fields of science/engineering. You will have to be patient with yourself in a long quest of seeking knowledge on the subjects.
Don't be discouraged. Perhaps your a bit on the young side, perhaps not so young. No shame in being older and still wanting to seek knowledge.
I seldom write as long a reply to anyone at this point. But I sense perhaps your innocent in your questions and do seek an answer.
The answer POWERSBOOTTHEFAN to your questions depend on your ambition to seek the answers. Books, Internet are at your disposal. If your in middle school, or high school....seek guidance from your science teachers.
If you have entered a college level. Then the bet is just sweeter you can connect with the science departments, you got a library that can get books galore on the subjects you profess a yearning to understand.
I hope my time at the keyboard has not been a waste of time.
DON'T become discourage. God gave you a brain. Learn how to effectively use it. I have offered you some proven roads to seek what you desire to learn. Now Freeper. It is up to you to reach out with some confidence and seek THE END GOAL.
52 posted on 07/01/2012 10:48:05 PM PDT by Marine_Uncle (Honor must be earned.)
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To: POWERSBOOTHEFAN

Satellites operate in a terrible radiation environment so there is no need to bring most down except for manned flights or specialty experiments. The Sun is a huge nuclear fusion reaction. There are even worse cosmic rays from deep space that are travelling near the speed of light and have huge energy levels. All of this damages the internal atomic bonds of semiconductors and they usually fail in less than 20 years. The geosynchronous orbit ring is the most hotly contested for positions or “slots”. The International Tecommunications Union (ITU) has control over the satellite slots and frequencies and requires geo satellites to have fuel and motors to get out of the GEO slot at end of life.


53 posted on 07/01/2012 10:51:26 PM PDT by MtnClimber (To the left wrong is right, down is up and backward is "Forward")
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To: JRandomFreeper

I try to make things simple.


54 posted on 07/01/2012 10:58:03 PM PDT by smokingfrog ( sleep with one eye open (<o> ---)
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To: MtnClimber

Wonder what technologies are planned to bring down all the garbage we’ve thrown up into orbit. Even the smallest object could do untold damage to some useful vehicle considering the amazing speeds at which everything is traveling up there.


55 posted on 07/01/2012 11:00:15 PM PDT by stormhill
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To: Richard from IL

Cool video... thanks...


56 posted on 07/01/2012 11:02:44 PM PDT by goseminoles
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To: MtnClimber
     Those d@mn unions are everywhere now!
57 posted on 07/01/2012 11:02:44 PM PDT by smokingfrog ( sleep with one eye open (<o> ---)
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To: stormhill
Wonder what technologies are planned to bring down all the garbage we’ve thrown up into orbit.

Oh, you are pretty much screwed.

Cope. Swedes got a laser idea in mind but everyone is pissy about that.

/johnny

58 posted on 07/01/2012 11:04:28 PM PDT by JRandomFreeper (Gone Galt)
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To: POWERSBOOTHEFAN

http://www.smaphysics.ca/phys40s/field40s/newtmtn.html


59 posted on 07/01/2012 11:06:30 PM PDT by oldbill
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To: smokingfrog
Help me out here.

I'm pretty good in math but don't get the joke.

60 posted on 07/01/2012 11:06:49 PM PDT by stormhill
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To: smokingfrog
Seriously, I think you try to make me snort coffee onto my keyboard.

That's just me talking.

It worked.

/johnny

61 posted on 07/01/2012 11:06:54 PM PDT by JRandomFreeper (Gone Galt)
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To: stormhill

Except for low Earth Orbit (LEO) none of the satellites will have enough residual atmospheric drag to bring them down for thousands or millions of years. The solar wind and gravity from the sun and moon will pull dead satellites out of circular orbits into elliptical orbits with crossing orbits. It will probably get bad. To bring one down will take more than twice the rocket capacity it took to put it up.


62 posted on 07/01/2012 11:08:28 PM PDT by MtnClimber (To the left wrong is right, down is up and backward is "Forward")
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To: Former War Criminal

Go to bed. Wiseaker...


63 posted on 07/01/2012 11:08:28 PM PDT by goseminoles
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To: stormhill
A Swiss satellite tackles space debris
64 posted on 07/01/2012 11:08:58 PM PDT by smokingfrog ( sleep with one eye open (<o> ---)
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To: POWERSBOOTHEFAN

Sorry for my long letter. I should have checked out your profile first, to now understand your not so young and are pursing a degree in meteorology. But even more so. At this point you should be aware of the ways your original question(s) where posted. I still think my advice was solid.
Understand your questions where a bit loaded. I’ll leave it go at that. No offense in any way meant.


65 posted on 07/01/2012 11:10:37 PM PDT by Marine_Uncle (Honor must be earned.)
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To: Berlin_Freeper

‘How do we know you don’t work for North Korea?’ Simple: A North Korean would have been smart enough to use Google or some other search engine.


66 posted on 07/01/2012 11:10:50 PM PDT by gemoftheocean (...geez, this all seems so straight forward and logical to me...)
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To: JRandomFreeper

We spar alot.. this is our of my realm..


67 posted on 07/01/2012 11:12:18 PM PDT by goseminoles
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To: goseminoles
Dude, I'm a cook. Anything more advanced than burning fuel makes heat is handwaving stuff to me.

Technically, you can track the fuel burned and the heat produced and come up with equations.

I'm not an NCO anymore. I'm nobody's mother. I'm a frigging part-time cook.

Derive your own.

/johnny

68 posted on 07/01/2012 11:20:56 PM PDT by JRandomFreeper (Gone Galt)
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To: smokingfrog
Thanks.

That's more along the line of what I had in mind; maybe deploy a steel sheet like a giant unbrella to capture the minute pieces of junk. Of course, in no time flat that would look like Swiss cheese, not to mention that every collision will generate even more particles.

How about a rubber membrane or aerogel block? The mind boggles.

Now, about that equation...

69 posted on 07/01/2012 11:22:21 PM PDT by stormhill
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To: goseminoles
Go to bed. Wiseaker...

My laundry is in the dryer and the OP has departed.

Good advice and Good Night.

70 posted on 07/01/2012 11:37:05 PM PDT by Former War Criminal (Who am I? Why am I here?)
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To: POWERSBOOTHEFAN

You need to know that when most people use a word, that word has a fairly precise meaning. ‘Geek’ is understood by 99.99999999% of people to mean ‘I am really into this stuff and know a hell of a lot about X’ — so if someone says ‘I am a Music Geek, and someone tell me how to read music’ he will rightly be laughed at. With any luck you have been disabused of your definition of ‘geek’ and will use it properly from here on.


71 posted on 07/01/2012 11:46:21 PM PDT by gemoftheocean (...geez, this all seems so straight forward and logical to me...)
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To: POWERSBOOTHEFAN

Kepler’s laws and Newton’s laws, but of course you are familiar with these, being a science geek.


72 posted on 07/02/2012 12:25:11 AM PDT by Born to Conserve
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To: POWERSBOOTHEFAN

Picture yourself boosted aloft towards the horizon by a truly powerful force. You rise higher and higher. The air gets thinner and thinner until it pretty much isn’t. By this time, you are moving really fast. And the earth below you is curved. It falls away as you pass over it. But you fall towards it as fast it falls away. You are now in orbit.


73 posted on 07/02/2012 12:32:02 AM PDT by cynwoody
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To: POWERSBOOTHEFAN

“Is this a swipe at me? Because if it is it’s a pretty s****y thing to say. :(”

Lady, as I recall you have stepped in it at least once before, so back off with BS! You should have done some basic research before asking a dumb question while claiming to be a science geek!!

JC


74 posted on 07/02/2012 12:34:59 AM PDT by cracker45
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To: POWERSBOOTHEFAN

If you are just a science tourist, try not to belittle the scientific knowledge of the real geeks by asking for a quick answer to something they have prepared themselves to understand with years of hard work.

If you are really interested in the science of satellites, and have kept up with your mathematics, then you should read this book:
http://books.google.com/books?id=UtJK8cetqGkC&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false


75 posted on 07/02/2012 12:54:26 AM PDT by Born to Conserve
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To: POWERSBOOTHEFAN

A classic astronautics book for the layman, if you can find a copy:
http://books.google.com/books/about/Exploring_the_secrets_of_space.html?id=WuB4AAAAIAAJ


76 posted on 07/02/2012 12:59:41 AM PDT by Born to Conserve
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To: POWERSBOOTHEFAN
How are they launched,kept in orbit and brought back to earth?

Magic.

77 posted on 07/02/2012 1:04:26 AM PDT by prisoner6 (Right Wing Nuts bolt the Constitution together as the loose screws of the Left fall out!)
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To: POWERSBOOTHEFAN

Around the World
http://www.youtube.com/watch?v=PdpsOSXWBBs


78 posted on 07/02/2012 1:13:17 AM PDT by donna (Mitt quote: ...gay couples raising kids. That's the American way...)
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To: POWERSBOOTHEFAN

It os not a matter of being smart. I mean have you never watched a NASA lift off? I know my daughter’s classes in school frequently took time to see them. Do you never take a physics course? Did you never see Apollo 13 ( the movie)?

I mean for being a science geek it didn’t sound to me like you show any signs of it.


79 posted on 07/02/2012 1:26:35 AM PDT by Nifster
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To: POWERSBOOTHEFAN

I know next to nothing about how satellites work myself, but have wondered at how Dish Network etc. can control my individual TV (that I pulled the plug on quite some time ago) from a satellite so far, far away. It must be set up somehow to direct a wave very narrowly or I would think that a person could pick up random waves. Also, I wonder how one can order movies and things. I can understand a wave being directed at me, but does the little satellite on the garage throw rays back at it, or is the info all in the box and regulated through it somehow? To think that it can control thousands and thousands of TVs from way up there is amazing. Also, do those large satellites out in the country have to have subscriptions in order to get their TVs to come in or are they large enough and made to simply pull in waves without subscriptions somehow? Does Dish Network etc. have rights to the waves and is there such a thing as pirating them? I would like some of the large, gaping spaces in my knowledge filled in a little, just for personal satisfaction. I suppose my questions seem moronic to the knowledgeable about satellites, but there is the old adage that no question is a stupid question.


80 posted on 07/02/2012 1:27:25 AM PDT by Bellflower (The LORD is Holy, separated from all sin, perfect, righteous, high and lifted up.)
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To: Former War Criminal

I said I walked past several Blues players;I did not say I was a hard-core fan.


81 posted on 07/02/2012 1:49:11 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: Marine_Uncle

I’m not quite sure how my question was loaded.

It seemed pretty simple and innocent to me.


82 posted on 07/02/2012 1:50:58 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: Former War Criminal

I walked past the Blues on their way to the hotel. I was headed in the opposite direction.


83 posted on 07/02/2012 1:52:04 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: Born to Conserve

Look. If you’re offended by my use of the word ‘geek’ then I don’t know what to say. It’s not meant to ridicule geeks,as I admire their brains. They know a lot more than I.

I meant ‘geek’ as a science enthusiast;someone who gets excited about things such as satellites,the universe,how suspension bridges are built,etc. I have a lot to learn. I am not an expert and I don’t call myself one. Like I said in a previous post,school has been difficult for me. If you knew me you’d understand why.

There is no need to insult me. It’s not doing either one of us any good. It’s getting ugly.


84 posted on 07/02/2012 1:58:04 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: Born to Conserve

Look. If you’re offended by my use of the word ‘geek’ then I don’t know what to say. It’s not meant to ridicule geeks,as I admire their brains. They know a lot more than I.

I meant ‘geek’ as a science enthusiast;someone who gets excited about things such as satellites,the universe,how suspension bridges are built,etc. I have a lot to learn. I am not an expert and I don’t call myself one. Like I said in a previous post,school has been difficult for me. If you knew me you’d understand why.

There is no need to insult me. It’s not doing either one of us any good. It’s getting ugly.


85 posted on 07/02/2012 1:58:04 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: Born to Conserve

You can’t say a blasted thing without pissing someone off.

How did I insult “geeks”? Did I say I am smarter?

I admire them for their hard work and tenacity, which is something I should learn.


86 posted on 07/02/2012 2:00:55 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: Nifster

I’m sorry. I’m done explaining myself.


87 posted on 07/02/2012 2:02:06 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: cracker45

Is this about the Tim Tebow thing? Because that’s from last year and I did apologize and admit I should’nt have used such language.

If you can’t accept that then that’s on YOU.


88 posted on 07/02/2012 2:04:04 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: Born to Conserve

You guys act as though I made a huge blunder and insisted that I am so much smarter than those who have studied science.

And people tell ME to lighten up.

You’d think I made racial slurs. Cripe.


89 posted on 07/02/2012 2:07:19 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: Nifster

Voce e um babaca.

That’s Portuguese. Look it up.


90 posted on 07/02/2012 2:19:51 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: MtnClimber; POWERSBOOTHEFAN
Orbits do not need to be east-west. They can be nrth-south or anything, really.
Well, they can't be "anything".

They must all orbit the center of the earth, not some other point. For example, you can't have a geosynchronous orbit directly over New York City.

A geostationary orbit can only be achieved at an altitude very close to 35,786 km (22,236 mi), and directly above the Equator. All geostationary satellites have to be located on this ring.

Of course, geosynchronous orbits are only one small sub-set of all possible orbits, but all orbits must orbit the center of the earth. They can't be "anything".

I'm sure you know that but I'm just pointing it out for the sake of the original poster.

91 posted on 07/02/2012 2:23:02 AM PDT by samtheman (The Trillion Dollar ObamaCareTax definitely is a tax; just ask the US Supreme Court.)
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To: cracker45

Ir mijer-se um mastro de bandeira!

That’s Portuguese;go look it up.


92 posted on 07/02/2012 2:26:15 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: prisoner6

Nao ser um idiota.

That’s Portuguese. do you want to know what it means? Look it up.


93 posted on 07/02/2012 2:27:50 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: POWERSBOOTHEFAN
Rocket ship on ground goes BOOM!

Suddenly, out of big billowing cloud, rocket leaves ground and goes up high in the sky.

Higher and higher goes rocket until blue sky turns black.

Rocket eventually tips over and circles round and round the Earth. At some point, little satellite gets ejected from rocket and then rocket falls back to Earth to die in flames during re-entry.

Little satellite gets turned on by people down on earth. Makes little beeping noises as antenna and other things come out. After a time, people down on Earth start getting messages sent to them by the satellite. In my case, I get my Sirius radio by one of these satellites but mostly I keep it tuned to Deep Tracks, Outlaw Country or that one station that plays all that blues music.

94 posted on 07/02/2012 2:36:26 AM PDT by SamAdams76
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To: Marine_Uncle

Marine Uncle

Please forgive the discourtesy of my child “POWERSBOOTHEFAN”. He’s actually in the seventh grade and, as you can see, is a bit of a thin skinned narcissist. He should have publicly thanked you for your kind response, but - sigh - he’s a bit of an insecure child. I’m afraid his father and I have over indulged him a bit. Our first mistake is letting Ruprecht live in our basement for 36 years. We didn’t know that he was on the computer this late at night until we heard the angry pounding at his keyboard. This happens when we forget to lock up the pantry as he tends to get in to the sugary cereals without permission. (He eats it right out of the box... You might even say he’s a “Captain Crunch” geek!) Well, in any case, we’ve taken away his Portuguese dictionary, RED DAWN DVD collection, and computer privileges for a day or two - and we thank you for your kind response to our ill mannered child.


95 posted on 07/02/2012 2:38:51 AM PDT by LittleBillyInfidel (This tagline has been formatted to fit the screen. Some content has been edited.)
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To: POWERSBOOTHEFAN
You guys act as though I made a huge blunder and insisted that I am so much smarter than those who have studied science.
Strike One: You've been on FR since 2009 and yet were completely unprepared for the firestorm of criticism that awaited your "I am a science geek" claim.

Strike Two: you obviously don't know the meaning of the word "geek".

Strike Three: you obviously not only do not read widely in general science (Issac Asimov, for example), but you don't read science fiction. When I was 10 years old I knew the basics of the answer to your question and not because I'm any kind of "geek" but because I read a lot of science fiction. You can't read science fiction and not be interested in finding out as quickly as you can answers to the kind of general questions you posted here.

When you strike out on FR, be prepared for the jeering. That's just the way it is. Sorry.

96 posted on 07/02/2012 2:41:58 AM PDT by samtheman (The Trillion Dollar ObamaCareTax definitely is a tax; just ask the US Supreme Court.)
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To: samtheman

You guys are making a mountain of a molehill that I called myself a science geek. Did I say that I am smarter? No. Did I say that I admire them because of their intelligence? Yes.

I meant “geek” in the sense that I am into science and that I enjoy learning about it,even if it’s a little at a time. Did I not make that clear,or am I speaking Russian?

So I called myself a geek. So f***ing what?

Lighten the f*** up!


97 posted on 07/02/2012 3:12:57 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: gemoftheocean

Lighten up,for Pete’s sake.

Calm your nerves.

And people tell me to calm down.


98 posted on 07/02/2012 3:16:01 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: Former War Criminal

Methinks you have reading comprehension problems.


99 posted on 07/02/2012 3:16:52 AM PDT by POWERSBOOTHEFAN (It's hurricane season! Yay!)
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To: POWERSBOOTHEFAN

I was just trying to help you understand why you drew so much criticism.

Actually, I respect you for staying in the conversation, respect you a lot for that, as a matter of fact. Often people post something stupid (not just a stupid vanity, but a stupid article, too) and then leave the discussion, never to return. But you are sticking around, despite all the flak you are taking. I respect you a lot for doing that.

But getting back to my explanation on why you took so much flak:

1. You posted a vanity. Most vanity posts are extremely stupid so FR readers have come to expect stupidity when they read one. They weren’t disappointed in your case (”I am a science geek”) so you reap the whirlwind, my friend, and you just have to take it.

2. You are the one who used the word “geek” and you are still mis-using it. You are a) not a “geek” just because you are “into science” and b) in your case you don’t seem to be “into science” very much if you don’t know the basics of how satellites work or how the internet works or even how books work.

3. Even if you are too lazy to type “how satellites work” in google, and maybe you just wanted to have the conversation here, all you had to do was post a vanity worded something like this: “I am interested in how satellites work and would like to discuss it here on FR, since I enjoy reading discussions on such subjects in this forum. I know I could search the internet, but I’d like to start my search here. Sorry for the vanity but I am interested in what you think. Thanks.” (Or something like that.)


100 posted on 07/02/2012 3:22:57 AM PDT by samtheman (The Trillion Dollar ObamaCareTax definitely is a tax; just ask the US Supreme Court.)
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