Final answer:
Scientists gather information about black holes by examining their light, studying their effect on nearby stars, and studying the remains of objects pulled into them.
Step-by-step explanation:
Scientists gather information about black holes through various methods. They examine the light emitted by black holes to understand their properties and behavior. Additionally, they study the effect of black holes on nearby stars to gather insights into their gravitational pull and interactions. Finally, scientists also study the remains of objects pulled into black holes to gain further understanding of their nature.
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