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An international team of astronomers working at telescopes

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An international team of astronomers working at telescopes [#permalink] New post 01 Dec 2011, 21:01
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20. An international team of astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter, the solar system’s largest planet.

A.) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter
B.) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to be 5 to 15 times Jupiter’s mass
C.) astronomers is working at telescopes in the Canary Islands and Spain, having detected at least 18 huge gas sphere that are estimated at 5 to 15 times the mass of Jupiter
D.) astronomers, working at telescopes in the Canary Islands and Spain, and has detected at least 18 huge gas spheres estimated at 5 to 15 times the mass of Jupiter
E.) astronomers, working at telescopes in the Canary Islands and Spain, has detected at least 18 huge gas spheres they have estimated to be 5 to 15 times Jupiter’s mass

In d, putting comma between astronomers and working makes the meaning of the sentence different from b (without comma)
[Reveal] Spoiler: OA
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Re: Jupiter [#permalink] New post 02 Dec 2011, 06:35
An international team of astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter, the solar system’s largest planet.

A.) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter
B.) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to be 5 to 15 times Jupiter’s mass
C.) astronomers is working at telescopes in the Canary Islands and Spain, having detected at least 18 huge gas sphere that are estimated at 5 to 15 times the mass of Jupiter
D.) astronomers, working at telescopes in the Canary Islands and Spain, and has detected at least 18 huge gas spheres estimated at 5 to 15 times the mass of Jupiter
E.) astronomers, working at telescopes in the Canary Islands and Spain, has detected at least 18 huge gas spheres they have estimated to be 5 to 15 times Jupiter’s mass

Answer is B
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Re: Jupiter [#permalink] New post 03 Dec 2011, 05:39
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20. An international team of astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter, the solar system’s largest planet.

A.) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter
B.) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to be 5 to 15 times Jupiter’s mass
C.) astronomers is working at telescopes in the Canary Islands and Spain, having detected at least 18 huge gas sphere that are estimated at 5 to 15 times the mass of Jupiter
D.) astronomers, working at telescopes in the Canary Islands and Spain, and has detected at least 18 huge gas spheres estimated at 5 to 15 times the mass of Jupiter
E.) astronomers, working at telescopes in the Canary Islands and Spain, has detected at least 18 huge gas spheres they have estimated to be 5 to 15 times Jupiter’s mass

In d, putting comma between astronomers and working makes the meaning of the sentence different from b (without comma)


Between "estimate to be" vs. "estimate to have" because this sentence go with measurement, infinitive is prefer. We cannot say that "gas sphere" is "5 to 15 times" that "estimate to be" say. Another usage, "estimate"can go before "that"

Comma make the part between comma become restrictive. In this sentence, we need non-restrictive adjective phrase. If we put the comma, the sentence become that all the astronomer in the world are those who working at telescopes in the Canary Islands and Spain. We need to say that some of astronomer in unique field work at telescope in the Canary Island and Spain.

Choice A is correct one.
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Re: Jupiter [#permalink] New post 04 Dec 2011, 04:55
+1 for A.

The problem with B is the phrase "...estimated to be 5 to 15 times Jupiter’s mass" .

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Re: Jupiter [#permalink] New post 15 Dec 2011, 09:55
"Estimated to be...mass" in option B is wrong.
"Mass" is something that one "has". That is why "have" in A is correct.

"The gas spheres have a mass 5 to 15 times that of Jupiter". This sentence makes sense.

Hence, A is the correct answer.
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Re: Jupiter [#permalink] New post 09 Jan 2012, 05:30
A. reason as mentioned by siddharthmuzumdar
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Re: An international team of astronomers working at telescopes [#permalink] New post 14 Oct 2014, 19:57
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Re: An international team of astronomers working at telescopes [#permalink] New post 14 Oct 2014, 22:03
The phrase after the underlined portion " the solar system’s largest planet" should modify a planet. Hence option B & E are ruled out.

An international team of astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter, the solar system’s largest planet.

A.) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter
B.) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to be 5 to 15 times Jupiter’s mass - modifier issue
C.) astronomers is working at telescopes in the Canary Islands and Spain, having detected at least 18 huge gas sphere that are estimated at 5 to 15 times the mass of Jupiter - Subject - Verb agreement issue - "astronomers" plural, "is" singular
D.) astronomers, working at telescopes in the Canary Islands and Spain, and has detected at least 18 huge gas spheres estimated at 5 to 15 times the mass of Jupiter -parallelism issue and no complete clause available - "astronomers , xxxxx--modifier--xx, and has detected at least....
E.) astronomers, working at telescopes in the Canary Islands and Spain, has detected at least 18 huge gas spheres they have estimated to be 5 to 15 times Jupiter’s mass - modifier issue

Hence option A is the correct one
Re: An international team of astronomers working at telescopes   [#permalink] 14 Oct 2014, 22:03
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