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Robot satellites relay important communications and identify weather

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Re: Robot satellites relay important communications and identify weather  [#permalink]

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New post 06 Sep 2018, 03:47
egmat @veritasprepKarishma bb @mikcgarry GMATNinjaTwo

In option E - we are not told whether the new satellites will not be needing repairs so doesn't the conclusion still hold that we MUST send satellites with Astros.

Is there where the "MOST" weakens part comes into play?not completely but still convincingly weakens the conclusion ?

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Re: Robot satellites relay important communications and identify weather  [#permalink]

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New post 06 Sep 2018, 04:51
AdityaHongunti wrote:
egmat @veritasprepKarishma bb @mikcgarry GMATNinjaTwo

In option E - we are not told whether the new satellites will not be needing repairs so doesn't the conclusion still hold that we MUST send satellites with Astros.

Is there where the "MOST" weakens part comes into play?not completely but still convincingly weakens the conclusion ?

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No options is perfect but you are crossing the line of scope. Scope is important. You could also argue that other satellites can fix themselves or that robots can fix each other or something else.

The best answer is the best answer, and I don’t see any other choices that could work.
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Re: Robot satellites relay important communications and identify weather  [#permalink]

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New post 25 Sep 2018, 14:49
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bb wrote:
AdityaHongunti wrote:
egmat @veritasprepKarishma bb @mikcgarry GMATNinjaTwo

In option E - we are not told whether the new satellites will not be needing repairs so doesn't the conclusion still hold that we MUST send satellites with Astros.

Is there where the "MOST" weakens part comes into play?not completely but still convincingly weakens the conclusion ?

Posted from my mobile device


No options is perfect but you are crossing the line of scope. Scope is important. You could also argue that other satellites can fix themselves or that robots can fix each other or something else.

The best answer is the best answer, and I don’t see any other choices that could work.

Remember, we are not asked to pick an answer choice that PROVES that the argument is invalid. Instead, we simply need the answer choice that "most seriously" weakens the argument. With that in mind, bb is spot on... none of the other four options would seriously weaken the author's argument, so we are left with (E) by default.

Quote:
(E) Technical obsolescence of robot satellites makes repairing them more costly and less practical than sending new, improved satellites into orbit.

Also, choice (E) says that repairing robot satellites is "more costly and less practical" than sending new, improved satellites into orbit. The replacements are, themselves, satellites, so it would make sense that choice (E) also applies to the replacement satellites.

Do we know for sure that this is the case? No. Maybe for some reason it will become cheaper and more practical to repair the new ones instead of replacing them. But that possibility doesn't really change anything: the argument says that we will NEED astronauts to make satellite repairs. Choice (E) says, "Well, no, we can just replace the satellites instead of doing repairs."

Sure, you can counter choice (E) with the possibility described by AdityaHongunti, but all that does is slightly weaken the weakener! Even if that possibility exists, choice (E) tells us that the logic of the argument is flawed. Just because "the satellites can be repaired only in orbit" does NOT mean "that space flights carrying astronauts must continue."

By simply describing why space flights carrying astronauts might not actually be needed, choice (E) seriously weakens the argument.

I hope this helps!
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Robot satellites relay important communications and identify weather  [#permalink]

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New post 03 Jul 2020, 12:55
vksunder wrote:
Robot satellites relay important communications and identify weather patterns. Because the satellites can be repaired only in orbit, astronauts are needed to repair them. Without repairs, the satellites would eventually malfunction. Therefore, space flights carrying astronauts must continue.

Which of the following, if true, would most seriously weaken the argument above?


(A) Satellites falling from orbit because of malfunctions burn up in the atmosphere.

(B) Although satellites are indispensable in the identification of weather patterns, weather forecasters also make some use of computer projections to identify weather patterns.

(C) The government, responding to public pressure, has decided to cut the budget for space flights and put more money into social welfare programs.

(D) Repair of satellites requires heavy equipment, which adds to the amount of fuel needed to lift a spaceship carrying astronauts into orbit.

(E) Technical obsolescence of robot satellites makes repairing them more costly and less practical than sending new, improved satellites into orbit.



A little help here please. I rejected (E) as "Repairs needed in satellites due to "Technical Obsolescence" is nowhere mentioned in the paragraph. The para just states that without repairs, the satellites may malfunction. In this case, isn't (E) just weakening a specific case where repairs are required due to Technical Obsolescence? Repairs could be needed due to a a part not working, or some glitch and that wouldn't necessarily be more costly than sending new satellites?

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Re: Robot satellites relay important communications and identify weather  [#permalink]

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New post 16 Jul 2020, 11:43
ahujaparth10 wrote:
vksunder wrote:
Robot satellites relay important communications and identify weather patterns. Because the satellites can be repaired only in orbit, astronauts are needed to repair them. Without repairs, the satellites would eventually malfunction. Therefore, space flights carrying astronauts must continue.

Which of the following, if true, would most seriously weaken the argument above?


(A) Satellites falling from orbit because of malfunctions burn up in the atmosphere.

(B) Although satellites are indispensable in the identification of weather patterns, weather forecasters also make some use of computer projections to identify weather patterns.

(C) The government, responding to public pressure, has decided to cut the budget for space flights and put more money into social welfare programs.

(D) Repair of satellites requires heavy equipment, which adds to the amount of fuel needed to lift a spaceship carrying astronauts into orbit.

(E) Technical obsolescence of robot satellites makes repairing them more costly and less practical than sending new, improved satellites into orbit.



A little help here please. I rejected (E) as "Repairs needed in satellites due to "Technical Obsolescence" is nowhere mentioned in the paragraph. The para just states that without repairs, the satellites may malfunction. In this case, isn't (E) just weakening a specific case where repairs are required due to Technical Obsolescence? Repairs could be needed due to a a part not working, or some glitch and that wouldn't necessarily be more costly than sending new satellites?

GMATNinja

To answer your question about: there is nothing in the passage or in (E) to say that the satellites would need to be repaired because of technical obsolescence. (E) is trying to tell us that because of the technical obsolescence -- the current state -- of these satellites any repairs will be more costly and less practical than just sending new satellites into orbit.

Technical obsolescence means these satellites are now out of date. There are other, newer, more capable satellites that are available and ready to be used.

Think about trying to repair an old car after something goes wrong in the engine -- it can be a very expensive process as the parts are hard to find or the old design makes repairs difficult. It might be cheaper and easier, in the long run, to buy a newer, more efficient car with lots of new features, rather than repairing the old one. The same thinking is being applied to the satellites in this question.

This gives us enough justification to say space flights carrying astronauts might not actually be needed. Since this weakens the argument -- and the other four answer choices do not -- (E) is the answer to this question.

I hope that helps!
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Re: Robot satellites relay important communications and identify weather   [#permalink] 16 Jul 2020, 11:43

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