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chihao
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Once positioned in space, the Hubble Space Telescope will capture ligh Updated on: 09 Nov 2019, 05:54
Originally posted by chihao on 28 Nov 2003, 15:21.
Last edited by Bunuel on 09 Nov 2019, 05:54, edited 2 times in total.
Renamed the topic and edited the question.
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D
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25% (medium)

Question Stats:

70% (01:07) correct 30% (01:13) wrong based on 1097 sessions

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Once positioned in space, the Hubble Space Telescope will capture light from sources twenty times fainter compared to those that can be detected by ground-based instruments.

(A) compared to those that can b detected
(B) compared to those they can detect
(C) than that can be detected
(D) than those that can be detected
(E) than those detecting
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D
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Once positioned in space, the Hubble Space Telescope will capture ligh 29 Nov 2003, 02:54
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chihao
Once positioned in space, the Hubble Space Telescope will capture light from sources twenty times fainter compared to those that can be detected by ground-based instruments.
(A) compared to those that can b detected
(B) compared to those they can detect
(C) than that can be detected
(D) than those that can be detected
(E) than those detecting
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IMO, D is correct.

"Fainter than" is the correct idiom. We are comparing sources to other sources. Which sources? Those (sources) that can be detected by ground based intruments.
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pitts20042006
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Once positioned in space, the Hubble Space Telescope will capture ligh 29 Nov 2003, 07:16
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I vote for D too.

"fainter" already implies there is a comparison ... also as written above "fainter than" is correct.
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Once positioned in space, the Hubble Space Telescope will capture ligh 30 Aug 2010, 11:59
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chihao
Once positioned in space, the Hubble Space Telescope will capture light from sources twenty times fainter compared to those that can be detected by ground-based instruments.
(A) compared to those that can b detected
(B) compared to those they can detect
(C) than that can be detected
(D) than those that can be detected
(E) than those detecting
Show more

twenty times fainter - mean we need a than so A and B out.

now by ground-based instruments means we need passive voice in the underline area. So E out.

Now comparison is between two type of sources. So "than those" is meaningful. Undoubtedly D is the answer.
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Once positioned in space, the Hubble Space Telescope will capture ligh 31 Aug 2010, 08:36
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D it is.

We are comparing "sources"

"Hubble telescope will capture light from SOURCES 20 times fainter than those [SOURCES] that can be dectected by ground based instruments."
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Once positioned in space, the Hubble Space Telescope will capture ligh 25 Jul 2013, 06:42
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IMO..... D is the correct option. Fainter already shows that there is comparison between things..
fainter than seems good to me..
My answer D :)
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Once positioned in space, the Hubble Space Telescope will capture ligh 16 Oct 2016, 23:50
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When using a comparative adjective ("-er") "than" is required, so "compared to" is wrong.
Answer (A) & (B) are wrong

We need to be clear on what is/are being compared.
There are two nouns in this question that are eligible for comparison, light (that) and sources (those)
For which noun can we use the comparative adjective "fainter"?
Though,
    "Fainter" makes more sense with light,
    and the verb detected is more appropriate for "light" than "sources"
Answer choice (C) is wrong. Why? Answer choice (C) is missing subject for the "can be detected...." phrase.

(C) The Hubble Space Telescope will capture light from sources twenty times fainter than that [light] can be detected by ground-based instruments.
(C) The Hubble Space Telescope will capture light from sources twenty times fainter than that [light] that [light] can be detected by ground-based instruments.

(D) The Hubble Space Telescope will capture light from sources twenty times fainter than those [sources] that [sources] can be detected detected by ground-based instruments.

Correct answer (D)

Thanks
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Once positioned in space, the Hubble Space Telescope will capture ligh 05 Apr 2018, 10:28
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We are comparing "sources" not light here.

"Hubble telescope will capture light from sources 20 times fainter than those [sources] that can be detected by ground based instruments."
D is correct. Good question
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Once positioned in space, the Hubble Space Telescope will capture ligh 09 May 2023, 05:07
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