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Author Question: A neutron star, which generates gamma-ray bursts due to starquakes on its surface, is called a(n) ... (Read 129 times)

@Brianna17

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on: Jul 27, 2018
A neutron star, which generates gamma-ray bursts due to starquakes on its surface, is called a(n) _______________.
 
  Fill in the blank(s) with correct word

Question 2

Explain the geometry of an ellipse, which Kepler used to describe a planet's orbits.
 
  What will be an ideal response?


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nmyers

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

magnetar

Answer to Question 2

The semimajor axis, a, is half of the longest diameter. The eccentricity, e, of an ellipse is half the distance between the foci divided by the semimajor axis. The eccentricity of an ellipse tells you its shape; if e is nearly equal to one, the ellipse is very elongated. If e is closer to zero, the ellipse is more circular.


@Brianna17

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Reply #2 on: Jul 27, 2018
Thank you!


nmyers

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Reply #3 on: Jul 27, 2018
Always glad to help...


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