The phase of the moon in which the moon is not visible is known as _______ phase.

Explanation

To solve the question about the phase of the moon in which it is not visible, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Moon Phases**: The moon goes through different phases based on its position relative to the Earth and the Sun. These phases include new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, and waning crescent.

2. **Identifying the New Moon Phase**: The phase where the moon is not visible from the Earth occurs when the moon is positioned between the Earth and the Sun. In this position, the side of the moon that is illuminated by the Sun is facing away from the Earth.

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