The Major Contribution of Tycho Brahe to the Development of Modern

question 351

Multiple Choice

The major contribution of Tycho Brahe to the development of modern astronomy was

• A) using parallax to prove that Earth moves around the Sun.
• B) observing the phases of Venus.
• C) measuring planetary positions very accurately.
• D) proving that planetary orbits are ellipses.

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Definitions:

Tricuspid Valve

Valve closing the orifice between the right atrium and the right ventricle of the heart.

Pulmonary Semilunar Valve

A valve in the heart located between the right ventricle and the pulmonary artery, preventing backflow of blood into the heart.

Aortic Semilunar Valve

A valve in the heart that lies between the left ventricle and the aorta, preventing backflow of blood into the ventricle.

Pulmonary Trunk

A major blood vessel that carries blood from the heart’s right ventricle to the lungs for oxygenation.