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Author Question: In strength, the magnetic fields of Uranus and Neptune are: A) very different, with flopped over ... (Read 47 times)

SGallaher96

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on: Jul 27, 2018
In strength, the magnetic fields of Uranus and Neptune are:
 
  A) very different, with flopped over Uranus having no field, and Neptune a strong one.
  B) similar, with both about 100 times stronger than our own.
  C) even stronger than that of Jupiter.
  D) perfect fits for the Dynamo theory.
  E) like Jupiter and Saturn, due to mantles of liquid metallic hydrogen.

Question 2

In order to understand star clusters, we need to be able to estimate their ages. What technique do scientists use for this?
 
  A) radioisotope dating
  B) counting the planets that have formed around the largest stars
  C) finding the main-sequence turnoff point of the stars
  D) calculating orbital parameters using Kepler's Laws
  E) measuring its parallax


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shaikhs

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


SGallaher96

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Reply 2 on: Jul 27, 2018
Wow, this really help

sailorcrescent

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Reply 3 on: Yesterday
Excellent

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