Multiple choice

How are scientists able to detect black holes?

  1. they can't

  2. guessing

  3. looking at the area around the black hole

  4. by using a special telescope that they send into space
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Black holes do not emit light, so they cannot be seen directly. Scientists detect them by observing the gravitational effects they have on nearby stars and gas.

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