Moon Phases, Eclipses and Tides Review

Front

What is the waxing crescent moon phase?

Back

The waxing crescent is the phase of the moon when it is less than half illuminated and is increasing in illumination, appearing as a crescent shape.

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What is the waxing gibbous moon phase?

Back

The waxing gibbous is the phase of the moon when it is more than half illuminated and is still increasing in illumination.

Front

What is the umbra in the context of an eclipse?

Back

The umbra is the central, darker part of a shadow during an eclipse, where the light from the source is completely blocked.

Front

What happens during a New Moon?

Back

During a New Moon, the moon is positioned between the Earth and the Sun, making it invisible from Earth.

Front

Why don't we see lunar eclipses every month?

Back

Lunar eclipses do not occur every month because the Moon's orbit is tilted relative to Earth's orbit around the Sun.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to fall on the Moon.

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What is a solar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light from reaching the Earth.

Front

What is the penumbra in the context of an eclipse?

Back

The penumbra is the outer part of a shadow during an eclipse, where the light source is partially blocked.

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What is the full moon phase?

Back

The full moon phase occurs when the entire face of the Moon is illuminated by the Sun, making it fully visible from Earth.

Front

What is the difference between a waxing and waning moon?

Back

A waxing moon is increasing in illumination, while a waning moon is decreasing in illumination.