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Which observation most likely indicates the presence of a black hole?
A. Nearby objects are undergoing a gravitational effect.
B. There is a pitch-black region in space with nothing else around it.
C. X-rays are emitted from a source and then quickly pulled back in again.
D. A particular area is producing lots of radiation in all parts of the electromagnetic spectrum.

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smitthmilleekate

Answer:

I think its C. when X-rays are emitted from a source and then quickly pulled back in again.

Explanation:

The observation that shows the presence of a black hole is by the objects are undergoing a gravitational effect, i.e., option A.

What is a black hole?

A region of spacetime where gravity is extremely strong that nothing or even electromagnetic radiation such as light can escape through it is referred to as a black hole.

It can be indicated by the movement of object under its gravitational effect.

Thus, the correct option is A.

For more details regarding a black hole, visit:

https://brainly.com/question/10597324

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