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Astronomers have uncovered evidence that a star that was as

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Re: Astronomers have uncovered evidence that a star that was as  [#permalink]

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New post 28 Jul 2016, 06:20
quiet888 wrote:
Astronomers have uncovered evidence that a star that was as bright as the full moon exploding into view 340.000 years ago, emitting dazzling radiation that could have disrupted Earth's protective ozone layer and sunburned our Stone Age ancestors.

A. that a star that was as bright as the full moon exploding into view 340,000 years ago, emitting
B. that a star as bright as the full moon exploded into view 340,000 years ago, emitting
C. of a star that was as bright as the full moon exploding into view 340,000 years ago and that it emitted
D. of a star as bright as the full moon, exploding into view 340,000 years ago and emitting
E. of a star as bright as the full moon that exploded into view 340,000 years ago and that emitted


I used POE and selected B.

"Evidence THAT a star" conveys the right meaning. "Evidence OF a star...emitted / emitting" conveys a different meaning altogether. Hence, eliminate C, D, and E. Again, eliminate A because it doesn't convey the intended meaning. Thus, we are left with answer choice B, which conveys the right meaning and follows the rules of grammar.

Simple, eh?
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Re: Astronomers have uncovered evidence that a star that was as  [#permalink]

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New post 21 Aug 2016, 13:53
Astronomers have uncovered evidence that a star that was as bright as the full moon exploding into view 340.000 years ago, emitting dazzling radiation that could have disrupted Earth's protective ozone layer and sunburned our Stone Age ancestors.


First of all lets understand the role of that in a sentence , That plays two function in a sentence
1. that is used to join two clauses ( Subject+ working verb...) i.e. that simply works as connector and nothing else
for example - Astronomers have found an evidence that earth is blue in color
Subject + working verb .... that..subject+ working verb...
here that is used to join two clauses
2.second role of that - that is used to modify the preceding noun , i.e. gives additional information about the preceding noun . Here that play the role of the subject

for example , Astronomers use telescope that is highly complicated.
in this clause "that is highly complicated" modifies telescope , in other words gives additional information about the telescope . here That plays the role of the subject .

In above example 1 and 2 that precedes clause , i.e. after that you will see a clause (subject+ working verb..). This is always true in GMAT

Now , how will you use this information in sentence correction -simply check for clause after [b]that [/b]

lets see how it work on the original sentence
Clauase-1 Astronomers have uncovered evidence that ( presence of that means another clause will come )
a star (but we did not find the verb for the above that )
Clause -2 that was as bright as the full moon exploding into view 340.000 years ago,
( Here additional that is modifying a star i.e. giving additional information that star was as bright as full moon )
emitting dazzling radiation that could have disrupted Earth's protective ozone layer and sunburned our Stone Age ancestors.
(V-ing provides the result of the preceding clause or the How part of the preceding clause)

Error analysis - you can see in above sentence there is no verb for “ a star “ and we have to provide the verb for this subject

A. that a star that was as bright as the full moon exploding into view 340,000 years ago, emitting - ERROR pointed out as above
B. that a star as bright as the full moon exploded into view 340,000 years ago, emitting - error is corrected by providing verb -exploded
C. of a star that was as bright as the full moon exploding into view 340,000 years ago and that it emitted - V-ING ,Exploding incorrectly modifying full moon , it gives sense that full moon is exploding in to...
D. of a star as bright as the full moon, exploding into view 340,000 years ago and emitting - as per the original sentence exploding and emitting has casual relationship and not independent of each other as in this option
E. of a star as bright as the full moon that exploded into view 340,000 years ago and that emitted- as per the original sentence exploding and emitting has casual relationship and not independent of each other as in this option
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Re: Astronomers have uncovered evidence that a star that was as  [#permalink]

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New post 29 Aug 2016, 06:13
exploded and emitted are not two independent actions, these actions are linked together.

the result of the explosion of the star is the emitting of the rays, so modifier is required and choice B is correct
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Re: Astronomers have uncovered evidence that a star that was as  [#permalink]

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New post 29 Aug 2016, 07:06
yes you are correct in that these two are not independent , and in option D & E they are made independent ,that's why D & E are wrong
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Astronomers have uncovered evidence that a star that was as  [#permalink]

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New post 19 Mar 2017, 01:41
Astronomers have uncovered evidence that a star that was as bright as the full moon exploding into view 340.000 years ago, emitting dazzling radiation that could have disrupted Earth's protective ozone layer and sunburned our Stone Age ancestors.

A. that a star that was as bright as the full moon exploding into view 340,000 years ago, emitting - 'exploding' incorrectly describes full moon.
B. that a star as bright as the full moon exploded into view 340,000 years ago, emitting - CORRECT. 'STAR' exploded into view. 'emitting' (star still exits and thus till emitting) and 'sunburned' (action happened in the past. already completed) correctly describing star that exploded into view.
C. of a star that was as bright as the full moon exploding into view 340,000 years ago and that it emitted - same as A
D. of a star as bright as the full moon, exploding into view 340,000 years ago and emitting - incorrect meaning. poor parallelism
E. of a star as bright as the full moon that exploded into view 340,000 years ago and that emitted - 'emit' has to be parallel with 'sunburn' but there is no 'that' before 'sunburn'. So incorrect parallelism. And refer explanation for B. meaning is orrectly aligned with structure/grammar in B.
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Re: Astronomers have uncovered evidence that a star that was as  [#permalink]

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New post 19 Mar 2017, 19:04
IMO there should be a ',' in the front of "and sunburned" . only then we can say B is the answer.
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Astronomers have uncovered evidence that a star that was as  [#permalink]

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New post 28 Jun 2017, 09:39
in this question, outside knowledge of astrology will do some help.
Without that knowledge, ones still realize that a star cannot emit any radiation if the star exploded long time ago => B is correct
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Re: Astronomers have uncovered evidence that a star that was as  [#permalink]

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New post 27 Aug 2018, 02:40
Please consider following correct answer choice:

Astronomers have uncovered evidence that a star as bright as the full moon exploded into view 340,000 years ago, emitting dazzling radiation that could have disrupted Earth's protective ozone layer and sunburned our Stone Age ancestors.

What(other than meaning) helps us identify that modifier 'emitting' refers to 'a star', but not to 'Astronomers' ?

One hint I see is 'that" which should follow a sentence, and hence 'emitting' can refer to 'a star'. What I want to to know,if in any case, is it possible that ,-ing modifier can extend beyond 'that' and refer to the subject of the main sentence?
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Re: Astronomers have uncovered evidence that a star that was as &nbs [#permalink] 27 Aug 2018, 02:40

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