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Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun

 
NEWGUY
User ID: 34639342
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04/04/2013 10:11 AM
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Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
So the mars rovers are being shut down so that they may be shielded from possible solar activity. Also the current position of Sol can cause communication interference.

[link to www.nasa.gov]

So in this Article it reads that basically the sun is between us and the rovers soooooo the rover can't "hear" it's commands. Sounds logical. What's not logical is that there is no relay system set up to comunicate using existing satellites when the sun is in the way.

Maybe they are giving us the truth... But I feel a cover story!

Prep for flares erybody!

Just sayinsheep
JUST HERE

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04/04/2013 10:15 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
just saw that about 10 mins ago on T.V.
:glp sign:
Anonymous Coward (OP)
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04/04/2013 10:23 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
Bringing in the plants lolhiding
Waterbug

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04/04/2013 10:33 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
The position of Mars is not favorable.

[link to www.theplanetstoday.com]
NEWGUY (OP)
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04/04/2013 10:47 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
So they are tryin to say the only way we can comunicate basically is direct line of sight... That sounds as high tech as spotlight morse communications they use in the navy. So there are no other ways to signal our rovers no way to "pinball" signals off other satellites roaming our solar system .......riiiiiiiight.
We spend millions on Mars rovers capable of the most complicated landing/delivery systems imaginable and line of sight communication is all we have to send receive info.

BULLSHIT

And if not bullshit then maybe we should focus on the development of new communications!1dunno1
Waterbug

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04/04/2013 10:50 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
[link to www.newton.dep.anl.gov]

[snip]


Using the speed of light as the speed of the radio transmissions it takes anywhere from 4 to 20 minutes for a one way trip of radio waves to Mars. I am not totally certain about this but I believe that NASA uses Earth based extremely high gain antennas and at relatively high power. Why? Sure, it is all well and good that the communications are "line of sight" between Mars and our planet. However, consider the distance. It takes 1.28 seconds (approximately) for a signal to get to the Moon (ONE WAY TRIP). It takes 188 times that long (at the nearest Mars -- Earth planetary distance) to get a signal to Mars. And Physics tells us that radiation (or radio wave density) usually measured in Watts / m^2 will drop according to the 1/r^2 rule. To put it in simpler terms: Transmit signal A to our Moon and it hits right smack in the middle of the crater Tycho with a radiation power intensity (or signal strength) of lets say 0.0001 W / m^2. Now let us aim that same signal A at Mars. Now let us target the rover. The rover will "see" the signal at a signal strength of about 0.0001 / (188^2) in Watts / meter^2 ... or .... 2.8 x 10 ^ (-9) or 0.0000000028 Watts per square meter. My guess is that NASA, in fact, does use ground based high power transmitters into high gain antennas just to make sure they can get as much radiation density (radio wave strength) onto the Martian surface as possible ... or at least as allowed by the FCC ;)
Anonymous Coward (OP)
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04/04/2013 11:03 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
Very clever waterbug... Do u teach or is this just a focus of study. What can ya tell me about any new methods of com they might be workin on. U seem knowledgable
Waterbug

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04/04/2013 11:10 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
Very clever waterbug... Do u teach or is this just a focus of study. What can ya tell me about any new methods of com they might be workin on. U seem knowledgable
 Quoting: Anonymous Coward 34639342


Nah.. just an interested party. Don't know much about it.
Seems plausible that the sun would interfere with transmissions,
considering the location of Mars.

One would think that they could bounce or relay signals..
but I don't know if they have that capability..
Anonymous Coward
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04/04/2013 11:50 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
Very clever waterbug... Do u teach or is this just a focus of study. What can ya tell me about any new methods of com they might be workin on. U seem knowledgable
 Quoting: Anonymous Coward 34639342


Nah.. just an interested party. Don't know much about it.
Seems plausible that the sun would interfere with transmissions,
considering the location of Mars.

One would think that they could bounce or relay signals..
but I don't know if they have that capability..
 Quoting: Waterbug


I guess my question is, how long have the rovers been there?
this specific condition of the sun being between Earth and the rovers has never happened while they were on the planet?

if this "alignment" has indeed occurred previously while the rovers were already there, then we should have some sort of evidence of them doing the same thing, no?
Waterbug

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04/04/2013 11:54 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
It was anticipated..
More here:

[link to www.astrosurf.com]
Anonymous Coward
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04/04/2013 11:54 AM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
some sort of secret mission going on.. been hearing about this for weeks actually, surprised glp just now caught on.
Waterbug

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04/04/2013 12:43 PM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
some sort of secret mission going on.. been hearing about this for weeks actually, surprised glp just now caught on.
 Quoting: Anonymous Coward 27387426


Dunno..
Halcyon Dayz, FCD

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04/04/2013 01:40 PM
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Re: Mars rovers going on "Spring Break" being shut down for weeks due to interference with Sun
So in this Article it reads that basically the sun is between us and the rovers soooooo the rover can't "hear" it's commands. Sounds logical. What's not logical is that there is no relay system set up to comunicate using existing satellites when the sun is in the way.
 Quoting: NEWGUY 34639342

Which existing "satellites"?

But I feel a cover story!
 Quoting: NEWGUY 34639342

Sure...
What you feel is very telling.
About you.
book

if this "alignment" has indeed occurred previously while the rovers were already there, then we should have some sort of evidence of them doing the same thing, no?
 Quoting: Anonymous Coward 21666560

Yes, you should.
Why can't you find it?
book
Reaching for the sky makes you taller.

Hi! My name is Halcyon Dayz and I'm addicted to morans.





GLP