In the Late 18th Century, Two Astronomers, Both with the Last

question 19

Short Answer

In the late 18th century, two astronomers, both with the last name of _______________, were the first to attempt to map the shape of the galaxy.

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Definitions:

Gravity

A natural force exerted by a mass that attracts other masses towards its center.

Evolution

The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Comprehensiveness

in the evaluation of comparisons, is the extentto which a comparison captures a greater number of central oressential features

Scientific Theories

Comprehensive frameworks that explain observable phenomena and predict future events, based on empirical evidence and repeated testing.