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nekit [7.7K]
4 years ago
13

What is the advantage of using telescopes set up in an array

SAT
1 answer:
vredina [299]4 years ago
8 0
<span>Let us say that I have three or more optical telescopes networkes together and evenly spaced out along a radius of one kilometer. If I pointed all of the telescopes towards the same object in the sky, would that amount to looking at the observed object with a two-kilometer telescope or does this only work when measuring radio waves? In other words, is there any advantage to placing optical telescopes in a large array or not? Wouldn't the image show more detail with each telescope added? Wouldn't it be easier to determine the speed, rotation and direction of solar bodies such as asteroids? The only telescope arrays that I know of has to do with the measurement of radio waves. </span>
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What are the different types of threats to External Validity?
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The ability to generalize a study's results to different circumstances is known as external validity that suffers from 7 types of threats.

<h3>What are the threats to External Validity?</h3>

There are 7 major threats to external validity.

  • The first threat is sampling  bias, in which a sample is not representative of the population.
  • The second threat is history, where an unrelated incident can affect the results.
  • The third threat is observer bias, in which the traits or actions of the experimenter unintentionally affect the results, resulting in bias and other demand features.
  • The fourth threat  is the Hawthorne effect, which describes the propensity for individuals to alter their behaviour merely because they are aware that they are being observed.
  • The fifth threat is the Testing Effect, in which the results are impacted by whether a test is administered before or after another.
  • The sixth threat is the aptitude-treatment, which involves the interaction of individual and group factors to affect the dependent variable.
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To learn more about external validity, refer:

brainly.com/question/28760166

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2 years ago
The following excerpt is from "the lamp of psyche" by edith wharton (published in 1895). In this passage, a newly remarried deli
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This is the description about Delia's character in the story by Edith Wharton:

Although I was no able to find the passage, there are some characteristics about Delia Benson Corbett that can be useful to analyze her choices and actions.

Delia was challenged mentally and emotionally by her first husband. However, she was able to leave her past behind. She uses her irony to deal with her past suffering and she also grew strength by focusing on her own and her job, as well as her belief in religion.

<h3>What is an essay?</h3>

In this exercise, you have to write the description about the passage using an essay structure.

An essay is a written text that can express an opinion about something. You need to do a research before writing an essay so you can get all the information to justify your opinions. In this case, you have to analyze the passage given.

This is an essay structure:

  • introduction: you could present the story and explain that there are choices and actions from Delia that can explain how is she a complex character.

  • body: here you have to analyze Delia's choices and actions and prove what you presented in the introduction.

  • conclusion: you can give a summary about the main idea of the essay.

Check more information on writing essays brainly.com/question/11473248

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