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How do scientists know what colors to use when enhancing space images? Or do they take educated guesses?

Answer 1

By the wavelength of the captured light.

The above picture is the entire light spectrum. Astronomers have very sensitive instruments which are capable of measuring the exact wave length of the light they are receiving. This is critical in determining the elements which are emitting the light we are seeing. All elements emit a particular wave length of light which are translated to the respective color.

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Answer 2

Layla Anderson

Scientists use a combination of data from various instruments, such as telescopes and cameras, to capture space images. They often use filters to isolate specific wavelengths of light, which correspond to different colors. By analyzing the data and understanding the characteristics of celestial objects, scientists can determine the appropriate colors to enhance the images. It's not merely guesswork; it's based on scientific understanding and careful interpretation of the data.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.