There Are No X-Ray Telescopes on Earth Because

question 87

Multiple Choice

There are no X-ray telescopes on Earth because:

• A)they are too expensive to build.
• B)no one has yet invented an X-ray telescope that works.
• C)we can't figure out how to direct an X-ray beam through space.
• D)X-rays don't penetrate Earth's atmosphere.
• E)there are no astronomical objects that emit X-rays.

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Definitions:

Incidence Rate Ratio

A measure used in epidemiology to compare the rate of occurrence of new cases of a disease or condition between two study populations over a specific time period.

Population Proportion Attributable Risk

The proportion of incidents in the population that are due to the risk factor, helping in understanding the public health impact of the factor.

Cohort Study

A research method that follows a group of people over time to study their exposures and the subsequent outcomes.

Myocardial Infarction

Also known as a heart attack, it occurs when blood flow to a part of the heart is blocked for a long enough time that part of the heart muscle is damaged or dies.