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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 26 Dec 2011, 13:06
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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


Is estimated at not the correct Idiom?
[Reveal] Spoiler: OA
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Re: 1000 SC [#permalink] New post 30 Dec 2011, 14:36
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"Estimated at" can be used correctly in other contexts, but for this sentence, what we're estimating is mass, and mass is something that you HAVE, not something that you ARE, and "estimated at" doesn't fully convey this.

It has to be A, since it correctly uses "has" (the noun is "team", not "astronomers"!), uses "estimated to have", and has the most straightforward sentence structure.

Side note: "working at" seems awkward to me (any other opinions?), but it doesn't really change the question, since there are no alternatives to it.
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Re: 1000 SC [#permalink] New post 01 Jan 2012, 06:12
+1 A
subj is Team n not astronomers..
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Re: 1000 SC [#permalink] New post 04 Jan 2012, 15:59
i came close to A and B, and marked B...can anyone please justify how you negated B
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Re: 1000 SC [#permalink] New post 04 Jan 2012, 16:34
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kotela wrote:
i came close to A and B, and marked B...can anyone please justify how you negated B


B is incorrect because it says "18 huge gas spheres estimated to be 5 to 15 times Jupiter’s mass" and while something can HAVE mass (the mass of Earth, Earth's mass, Earth has a mass of ___, etc.), it can't BE mass.

Hope that helps!
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Last edited by margarette on 04 Jan 2012, 16:41, edited 1 time in total.
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Re: 1000 SC [#permalink] New post 04 Jan 2012, 16:38
margarette wrote:
kotela wrote:
i came close to A and B, and marked B...can anyone please justify how you negated B


B is incorrect because it says "18 huge gas spheres estimated to be 5 to 15 times Jupiter’s mass" and while something can HAVE mass (the mass of Earth, Earth's mass, Earth has a mass of ___, etc.) but it can't BE mass.

Hope that helps!


Oh great that makes sense

+1 Kudos to you
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Re: 1000 SC [#permalink] New post 07 Jan 2012, 20:09
Is this explanation correct:

Since the sentence should end in Jupiter and nor Jupiter's mass, as the following sentence talks about Jupiter being the largest plant. So,

A- concise and correct
BX- ends in Jupiter's Mass
CX- uses 'having'
D
EX ends in Jupiter's Mass
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Re: 1000 SC [#permalink] New post 07 Jan 2012, 20:13
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 (Jupiter's mass, can't be followed by largest planet)
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- Problem with the comma
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 (Jupiter's mass, can't be followed by largest planet)
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Re: An international team of astronomers working at telescopes [#permalink] New post 26 Sep 2013, 09:43
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Re: An international team of astronomers working at telescopes   [#permalink] 26 Sep 2013, 09:43
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