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Black Holes Cannot Be Observed Directly, Because They Emit No

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Black holes cannot be observed directly, because they emit no light. However, a scientist can hunt for black holes because


Definitions:

Electromagnetic Radiation

Rays produced by the collision of a beam of electrons with a metal target in an X-ray tube.

Uptake Study

An Uptake Study is a medical test used to assess the functioning of specific organs by measuring the absorption of a radioactive substance.

Radioactive Substance

A material that emits radiation, resulting from the decay of atomic nuclei, used in various medical, industrial, and research applications.

Organ

A part of the body constructed of many types of tissue to perform a function.

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