The New Moon Happens About Once a Month, and Is

question 79

Multiple Choice

The new Moon happens about once a month, and is often described as happening when theMoon passes between the Sun and the Earth. Why isn't there an eclipse during every new Moon?

• A)The apparent size of the Moon is only occasionally large enough to block the Sun.
• B)The Moon is not actually directly between the Earth and the Sun during the new Moonbecause its orbit is tilted relative to the ecliptic plane.
• C)The Moon is not actually directly between the Earth and the Sun during the new Moonbecause its orbit is tilted relative to the celestial equator.
• D)The Moon can only block the Sun when it is furthest away from Earth, and most new Moonshappen when the Moon is at another place on its orbit.

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Definitions:

Synapses

The junctions between neurons through which nerve impulses pass, allowing for communication between the cells.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse from one neuron (nerve cell) to another target neuron.

Action Potential

A temporary reversal of an electrically charged membrane potential in neurons or muscle cells, facilitating signal transmission.

Neural Impulse

The electrical signal transmitted along a neuron that allows for communication between neurons in the brain and nervous system.