Galileo's theory that ours was indeed a solar system : GMAT Sentence Correction (SC)
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# Galileo's theory that ours was indeed a solar system

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Galileo's theory that ours was indeed a solar system [#permalink]

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07 Sep 2011, 21:08
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Galileo's theory that ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus.
(A) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus
(B) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced that of Copernicus
(C) our solar system was indeed solar for Earth and the other planets revolve around the sun, reinforced Copernicus'
(D) our system was indeed solar, in which Earth and other planets revolved around the sun, reinforced those of Copernicus
(E) Earth and the other planets revolve around the sun in our solar system reinforces that of Copernicus

I was Confused between B and E............will post explanation later.........
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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07 Sep 2011, 21:31
It should be B. in E, the word "reinforces" depicts present tense. Past tense is required here and "reinforced" fulfills the requirement.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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07 Sep 2011, 21:33
gsd85 wrote:
Galileo's theory that [highlight]ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus.[/highlight]
(A) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus
(B) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced that of Copernicus
(C) our solar system was indeed solar for Earth and the other planets revolve around the sun, reinforced Copernicus'
(D) our system was indeed solar, in which Earth and other planets revolved around the sun, reinforced those of Copernicus
(E) Earth and the other planets revolve around the sun in our solar system reinforces that of Copernicus

I was Confused between B and E............will post explanation later.........

yup +1 for B... E appears to change the meaning that earth and other planets could be from other solar systems, but the revolve around the sun, which is in our solar system.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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07 Sep 2011, 23:15
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B says that ours “was” a solar system. Does that mean that our is not a solar system now? Remember please they are still live and relevant theories.Are we not supposed to use simple present for eternal and universal facts?

When there is a blatant grammatical error, I am afraid that will take precedence over other factors in the POE.

Let us appreciate that solar system is the specific name given to the Sun and its family. Any other star or its family is not called solar. Therefore, there is no question of either our solar planets orbiting some other stars or other planets belonging some other stellar system orbiting our Sun.

I would rather be happy to eliminate B for use of inappropriate tense and go with E. Then, I will not be surprised if Kaplan comes out with some unusual thesis to its defense.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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07 Sep 2011, 23:43
Yes.....daagh for the same reason .....i thought B is incorrect...there should be present tense..also the construction of E and B use 'Revolve'... the theory is relevant even today.....but some how Kaplan says B is the correct answer......i am still confused between B and E
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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08 Sep 2011, 07:26
I too go with E; i think univ facts should be in presents rgt? so i go with E but again not sure:(
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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08 Sep 2011, 07:52
gsd85 wrote:
Yes.....daagh for the same reason .....i thought B is incorrect...there should be present tense..also the construction of E and B use 'Revolve'... the theory is relevant even today.....but some how Kaplan says B is the correct answer......i am still confused between B and E

gsd85 - don't you have explanation from Kaplan? appreciate if you can post it here.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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10 Sep 2011, 04:04
B is faulty. But E is not perfect either. 'reinforced' in E would have made it perfect.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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10 Sep 2011, 04:44
gsd85 wrote:
Yes.....daagh for the same reason .....i thought B is incorrect...there should be present tense..also the construction of E and B use 'Revolve'... the theory is relevant even today.....but some how Kaplan says B is the correct answer......i am still confused between B and E

gsd85 - don't you have explanation from Kaplan? appreciate if you can post it here.

Yeh, I too will appreciate Kaplan's explaination
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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23 Sep 2011, 02:14
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gsd85 wrote:
Galileo's theory that [highlight]ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus.[/highlight]
(A) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus
(B) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced that of Copernicus
(C) our solar system was indeed solar for Earth and the other planets revolve around the sun, reinforced Copernicus'
(D) our system was indeed solar, in which Earth and other planets revolved around the sun, reinforced those of Copernicus
(E) Earth and the other planets revolve around the sun in our solar system reinforces that of Copernicus

Answer: B (as far as I can see, this is the best possible answer. I do agree that 'ours was' does not seem right)
A - We are talking about Galileo's theory reinforcing Copernicus' theory. Theory is singular here. So, it should be 'that' and not 'those'.
C - nonsense.
D - nonsense.
E - alteration in meaning. In original, Galileo theorised about what sort of system ours is -> solar system (i.e. every planet revolves around the sun). However, in option E, Galileo theorised about the revolution of the planets.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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27 Sep 2011, 09:41
gsd85 wrote:
Galileo's theory that [highlight]ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus.[/highlight]
(A) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus
(B) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced that of Copernicus
(C) our solar system was indeed solar for Earth and the other planets revolve around the sun, reinforced Copernicus'
(D) our system was indeed solar, in which Earth and other planets revolved around the sun, reinforced those of Copernicus
(E) Earth and the other planets revolve around the sun in our solar system reinforces that of Copernicus

I was Confused between B and E............will post explanation later.........

I got B
E is incorrect because hypothesis was - "ours was a solar system" and not "Earth and the other planets revolve around the sun in our solar system"
There is change in meaning.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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27 Sep 2011, 11:25
B is right.

I started with tail part. 'Galileo's theory' is compared with 'Copernicus's theory'. Theory is singular. So ruled out options A and D.
E and C are awkward.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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27 Sep 2011, 11:39
gsd85 wrote:
Galileo's theory that [highlight]ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus.[/highlight]
(A) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus
(B) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced that of Copernicus
(C) our solar system was indeed solar for Earth and the other planets revolve around the sun, reinforced Copernicus'
(D) our system was indeed solar, in which Earth and other planets revolved around the sun, reinforced those of Copernicus
(E) Earth and the other planets revolve around the sun in our solar system reinforces that of Copernicus

.........

to everyone supporting B: even if 'was' is the correct form....shoulding 'revolve' be changed to 'revolved' then??? " in which Earth and other planets revolve around the sun" is a description of the solar system
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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27 Sep 2011, 18:24
"those" - theory - Incorrect ( Those is used to refer to plural nouns)--A, D out

C - Incorrect Meaning

E - Reinforces - " the correct tense:should be past reinforced"

B is correct
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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27 Sep 2011, 18:26
gsd85 wrote:
Galileo's theory that [highlight]ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus.[/highlight]
(A) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus
(B) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced that of Copernicus
(C) our solar system was indeed solar for Earth and the other planets revolve around the sun, reinforced Copernicus'
(D) our system was indeed solar, in which Earth and other planets revolved around the sun, reinforced those of Copernicus
(E) Earth and the other planets revolve around the sun in our solar system reinforces that of Copernicus

.........

to everyone supporting B: even if 'was' is the correct form....shoulding 'revolve' be changed to 'revolved' then??? " in which Earth and other planets revolve around the sun" is a description of the solar system

Earth still revolves around the sun.

So it cannot be past. Sounds logical
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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27 Sep 2011, 20:39
GMATPASSION wrote:
gsd85 wrote:
Galileo's theory that [highlight]ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus.[/highlight]
(A) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus
(B) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced that of Copernicus
(C) our solar system was indeed solar for Earth and the other planets revolve around the sun, reinforced Copernicus'
(D) our system was indeed solar, in which Earth and other planets revolved around the sun, reinforced those of Copernicus
(E) Earth and the other planets revolve around the sun in our solar system reinforces that of Copernicus

.........

to everyone supporting B: even if 'was' is the correct form....shoulding 'revolve' be changed to 'revolved' then??? " in which Earth and other planets revolve around the sun" is a description of the solar system

Earth still revolves around the sun.

So it cannot be past. Sounds logical

# our planetary system is known as solar system: fact
#planets revolve round the sun : fact
earth still revolves round the sun....and ours still is a solar system........why write one in past tense and the other in present tense?
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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27 Sep 2011, 20:56
@ upasana

Agree with u. Ours is still a solar system.

Can sumbody clarify???
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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20 Oct 2011, 00:27
+1 for B.

We need a the word 'indeed' in the sentence, so that the emphasis is preserved in 'solar system'...... rather than earth and other planets revolving, which is missing in E.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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20 Oct 2011, 03:56
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Pretty sure B is correct.

Quote:
...that ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced that of Copernicus.

The use of simple past seems fine, because when Galileo came up with his theory, it was just that: a theory. It had not been proven to be a fact, yet.

This must be in present tense, because it's simply the definition of a solar system.

This must be in simple past, too, since the sentence describes a situation in the past. At that time, Galileo's theory reinforced that of Copernicus.

So either both the red and the blue part of the sentence are in a present tense or both are in a past tense, as is the case in answer choice B. Choice E would take care of the tenses, as well, but it integrates the term "solar system" into its own definition. Both "planets revolve around the sun" and "solar system" basically mean the same. The difference between B and E with regard to this is that B does refer back to the term "solar system" in order to explain it in a relative sentence, while E fails to establish that causal/explanatory connection between planets revolving around the sun and what that means for the type of our planetary system.
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Re: Galileo's theory that ours was indeed a solar system [#permalink]

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20 Oct 2011, 09:30
gsd85 wrote:
Galileo's theory that [highlight]ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus.[/highlight]
(A) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced those of Copernicus
(B) ours was indeed a solar system, in which Earth and other planets revolve around the sun, reinforced that of Copernicus
(C) our solar system was indeed solar for Earth and the other planets revolve around the sun, reinforced Copernicus'
(D) our system was indeed solar, in which Earth and other planets revolved around the sun, reinforced those of Copernicus
(E) Earth and the other planets revolve around the sun in our solar system reinforces that of Copernicus

I was Confused between B and E............will post explanation later.........

Ans - 'B'

Comparison between singular 'Theory' and 'Those of' is incorrect.
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Re: Galileo's theory that ours was indeed a solar system   [#permalink] 20 Oct 2011, 09:30

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