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The sky background power does not depend on _______

The sky background power does not depend on _______ Correct Answer Intensity of observing star

The power from the sky background at the focal plane of a telescope depends on the background radiance, the effective entrance area, and the field of view of the telescope.

Related Questions

In the following question, five statements are given followed by four conclusions I, II, III and IV. You have to consider the given statements to be true even, if they seem to be at variance with commonly known facts. Read all the conclusions and decide which of the following logically follows from the given statements disregarding the commonly known facts. Statements: Some Blue are Color. All Color are Sky. No Rocket is Sky. All Rocket are Space. No Space is Color. Conclusions: I. Some Sky being Space is a possibility. II. Some Blue are Sky. III. Some Color being Rocket is a possibility. IV. Some Blue being Rocket, Space, Sky and Color is a possibility.
During the discussion 'water', Shivangi asked her students in class I to draw a sky. Sam colored the sky green. On asked why he has chosen this color, he replied the pond near his home is green and since the water comes from the sky, the sky must be green. Shivangi must 
When a discrete time LTI system is said to be causal? must not depend on x for k>n b) Output y must not depend on x for k=n c) Output y must not depend on x for kn
What should be written in the blank of the code for resizing elements in Responsive Web Design with Transitions
Code:body { background-image: url(fog.jpg); background-size: cover;background-repeat: no-repeat; color: #fff; font-family: Avenir, Arial, sans-serif;}h1 { font-family: 'Calluna Sans', Arial, sans-serif; text-align: center;font-size: 10rem; margin: 8rem auto;}h1 { font-family: 'Calluna Sans', Arial, sans-serif;text-align: center; font-size: 10rem; margin: 8rem auto; transition: 1s font-size linear;}______________ and (max-width: 1100px) {h1 { font-size: 8rem; }
Given statements are about various celestial bodies in the sky. Which of the statements are correct? A. We do not feel heat and light of countless twinkling stars in the night sky as they are very far away from us. B. Ursa Major Constellation is a group of seven stars also called Saptarishi. C. Pole Star keeps changing its position in the sky. D. Moon appears at different times, in different shapes and at different positions. Choose the correct option.
If air is called ‘green’, ‘green’ is called ‘blue’, ‘blue’ is called ‘sky’, ‘sky’ is called yellow’, yellow’ is called 'water' and water’ is called ‘pink’, then what is the colour of clear sky?
Given below are four jumbled sentences. Select the option that gives their correct order. A.  At night it appears. The deepness of the blue increases as we look toward the horizon, and up to the point above us B. The sky is what we call the appearance of the atmosphere around the surface of the planet from our point of view. C. On a clear day, the sky appears blue. D. We see many objects that are actually in space such as the Sun, the Moon, and stars because they are in the sky.  
In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: I. Some sky are blue. II. Some blue are soft. Conclusions: I. Some sky are soft. II. Some soft are sky.
Statements : No man is sky. No sky is road. Some men are roads.

Conclusions :
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II. No road is sky.
III. Some skies are men.
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In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out ofthe four alternatives.
The conditions ______ which democracy can _______ are _______ to ________ ; but one thing is _______ that democracy is always a slow growth, whereasdictators may _____ to ______ and _______ a new _______ with dramatic success, under _______ conditions.
which democracy can _______