Venus Shows Changes in Angular Size and Also Shows Phases

question 209

Multiple Choice

Venus shows changes in angular size and also shows phases similar to the phases of the Moon. According to Galileo, who first saw the phases, these observations showed that Venus

• A) orbits Earth in an elliptical orbit.
• B) moves in epicycles.
• C) does not rotate on its axis.
• D) orbits the Sun.

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Definitions:

Sodium Potassium Pump

The sodium-potassium pump is a cellular mechanism that pumps sodium ions out of and potassium ions into cells, essential for maintaining cell membrane potential and proper function.

Resting State

A condition or period in which there is no physical activity or mental stress, often used in the context of brain or physiological studies.

Neurons

Specialized cells in the nervous system that transmit information through electrical and chemical signals.

Dendrites

Branchlike extensions of neurons that receive signals from other neurons.