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Author Question: Describe one of the future planned space missions to search for extrasolar planets. How will it ... (Read 107 times)

james0929

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on: Jul 27, 2018
Describe one of the future planned space missions to search for extrasolar planets. How will it improve on current observations?
 
  What will be an ideal response?

Question 2

What is a helium flash?
 
  What will be an ideal response?


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heinisk01

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

There are several possibilities here, described in Section 13.4. E.g., GAIA will use space-based interferometry to measure the miniscule movements of stars as they are tugged by planets orbiting around them. TESS will use the same strategy as Kepler but cover the whole sky. CHEOPS will measure the properties of known extrasolar planets.

Answer to Question 2

A helium flash is a runaway condition caused by a core that collapses to a degenerate state before helium fusion can begin. As a result, the core cannot respond to the radiation produced by helium fusion and the fusion rate goes unchecked.


james0929

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


heinisk01

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


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