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Astrophysicist: Gamma ray bursts (GRBs)-explosions of powerful

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Astrophysicist: Gamma ray bursts (GRBs)-explosions of powerful [#permalink]

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New post 13 Dec 2017, 10:49
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Astrophysicist: Gamma ray bursts (GRBs) -explosions of powerful radiation from deep space - have traditionally been classified as either "short'' or "long," terms that reflect the explosion's relative duration. However, an unusual GRB has been sighted. Its duration was long, but in every other respect it bad the properties of a short GRB. Clearly, the descriptive labels "short" and "long" have now outlived their usefulness.

The conclusion of the astrophysicist's argument is most strongly supported if which one of tbe following is assumed?

(A) No other GRBs with unusual properties have been sighted.
(B) The classification of GRBs can sometimes be made on the basis of duration alone.
(C) Properties other than duration are more important than duration in the proper classification of the unusual GRB.
(D) GRBs cannot be classified according to the different types of cosmic events that create them.
(E) Descriptive labels are easily replaced with nondescriptive labels such as "type I'' and "type II."
[Reveal] Spoiler: OA

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Re: Astrophysicist: Gamma ray bursts (GRBs)-explosions of powerful [#permalink]

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New post 13 Dec 2017, 11:21
Astrophysicist: Gamma ray bursts (GRBs) -explosions of powerful radiation from deep space - have traditionally been classified as either "short'' or "long," terms that reflect the explosion's relative duration. However, an unusual GRB has been sighted. Its duration was long, but in every other respect it bad the properties of a short GRB. Clearly, the descriptive labels "short" and "long" have now outlived their usefulness.

The conclusion of the astrophysicist's argument is most strongly supported if which one of tbe following is assumed?

(A) No other GRBs with unusual properties have been sighted. - Irrelevant
(B) The classification of GRBs can sometimes be made on the basis of duration alone. - does not support or provides any additional info
(C) Properties other than duration are more important than duration in the proper classification of the unusual GRB. - correct
(D) GRBs cannot be classified according to the different types of cosmic events that create them. - Irrelevant
(E) Descriptive labels are easily replaced with nondescriptive labels such as "type I'' and "type II. - Irrelevant
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Re: Astrophysicist: Gamma ray bursts (GRBs)-explosions of powerful [#permalink]

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New post 27 Dec 2017, 00:52
(C) Properties other than duration are more important than duration in the proper classification of the unusual GRB.

Why the new properties have to be more important than duration?
Re: Astrophysicist: Gamma ray bursts (GRBs)-explosions of powerful   [#permalink] 27 Dec 2017, 00:52
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Astrophysicist: Gamma ray bursts (GRBs)-explosions of powerful

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