The Chandra X-Ray Observatory Must Operate in Space Because

question 82

Multiple Choice

The Chandra X-ray Observatory must operate in space because

• A) X-rays do not penetrate Earth's atmosphere.
• B) X-rays are too dangerous to be allowed on the ground.
• C) X-ray telescopes require the use of grazing incidence mirrors.
• D) It was built by NASA.

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Definitions:

Immigration

The action of coming to live permanently in a foreign country.

Office Of Immigration Statistics

A government entity responsible for collecting, analyzing, and disseminating statistical data and reports on immigration including the movements and characteristics of migrants.

Legal Permanent Residents

Individuals who have been granted the right to live indefinitely within a country other than their native one, without being its citizen.

Permanent Legal Residents

Individuals who have been granted the right to live indefinitely within a country but are not citizens of that country.