Process of Science: How Did Scientists Determine the Location of the Center

question 55

Essay

Process of Science: How did scientists determine the location of the center of the Milky Way,and why had they been wrong in their previous estimate (where they placed the Sun near the center)?

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Definitions:

Strategic Defense Initiative

A proposed missile defense system announced by President Ronald Reagan in 1983, intended to protect the United States from attack by ballistic strategic nuclear weapons.

Camp David Accords

A peace treaty between Israel and Egypt brokered by the United States in 1978, leading to significant steps towards peace in the Middle East.

Oliver North

A United States Marine Corps officer involved in the Iran-Contra affair during the Reagan administration.