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Updated on: 13 Jan 2020, 05:22
Originally posted by SudiptoGmat on 18 Jan 2010, 09:08.
Last edited by Bunuel on 13 Jan 2020, 05:22, edited 1 time in total.
Last edited by Bunuel on 13 Jan 2020, 05:22, edited 1 time in total.
Renamed the topic and edited the question.
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
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Question Stats:
75% (02:08) correct
25%
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wrong
based on 3145
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Radio interferometry is a technique for studying details of celestial objects that combines signals intercepted by widely spaced radio telescopes. This technique requires ultraprecise timing, exact knowledge of the locations of the telescopes, and sophisticated computer programs. The successful interferometric linking of an Earth-based radio telescope with a radio telescope on an orbiting satellite was therefore a significant technological accomplishment.
Which of the following can be correctly inferred from the statements above?
(A) Special care was taken in the launching of the satellite so that the calculations of its orbit would be facilitated.
(B) The signals received on the satellite are stronger than those received by a terrestrial telescope.
(C) The resolution of detail achieved by the satellite-Earth interferometer system is inferior to that achieved by exclusively terrestrial systems.
(D) The computer programs required for making use of the signals received by the satellite required a long time for development.
(E) The location of an orbiting satellite relative to locations on Earth can be well enough known for interferometric purposes.
Which of the following can be correctly inferred from the statements above?
(A) Special care was taken in the launching of the satellite so that the calculations of its orbit would be facilitated.
(B) The signals received on the satellite are stronger than those received by a terrestrial telescope.
(C) The resolution of detail achieved by the satellite-Earth interferometer system is inferior to that achieved by exclusively terrestrial systems.
(D) The computer programs required for making use of the signals received by the satellite required a long time for development.
(E) The location of an orbiting satellite relative to locations on Earth can be well enough known for interferometric purposes.
03 Jul 2010, 07:17
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You guys seem to be fine with this one, but just to rid your mind of any doubts, remember the following.
Inference questions repeat information that was given (usually information in the conclusion!).
The conclusion is that the interferometric linking was successful. One of the premises is that for interferometric linking to work, the distance between the satellites must be known.
Any emotional/psychological activity on the part of researchers (like the researchers 'took care') is NOT information given in the passage. If it was not said (in one form or another) in the argument, it is not a good inference to draw.
-Sarai
Inference questions repeat information that was given (usually information in the conclusion!).
The conclusion is that the interferometric linking was successful. One of the premises is that for interferometric linking to work, the distance between the satellites must be known.
Any emotional/psychological activity on the part of researchers (like the researchers 'took care') is NOT information given in the passage. If it was not said (in one form or another) in the argument, it is not a good inference to draw.
-Sarai
General Discussion
mojorising800
Joined: 11 Dec 2009
Last visit: 05 Mar 2012
Posts: 111
Given Kudos: 7
Status:Its Wow or Never
Location: India
Concentration: Technology, Strategy
Schools: Tepper '14 Goizueta '14 ISB Tippie Kelley '14 Georgia Tech Mays Katz Kenan-Flagler '14 Schulich Smith '15
GMAT 1: 670 Q47 V35
GMAT 2: 710 Q48 V40
WE:Information Technology (Computer Software)
Schools: Tepper '14 Goizueta '14 ISB Tippie Kelley '14 Georgia Tech Mays Katz Kenan-Flagler '14 Schulich Smith '15
GMAT 2: 710 Q48 V40
Posts: 111
18 Jan 2010, 12:09
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SudiptoGmat
Acc to me E..since it fulfills one of the requirement for the technique...location is an important factor for the technique and determining the relative locations results in a successful accomplishment.
