What is the phase of the moon called when you do not see any of the side lit by the sun? afull moon bfirst quarter clast quarter dnew moon

Question Analysis

The question asks for the name of the phase of the moon when no part of the moon's surface that is lit by the sun is visible from Earth.

Relevant Concepts

In lunar phases, the moon transitions through different stages based on its position relative to the Earth and the Sun. The relevant options and their descriptions are:

• A. Full Moon: The entire face of the moon is illuminated.
• B. First Quarter: Half of the moon is illuminated, showing a right half from the northern hemisphere perspective.
• C. Last Quarter: The left half of the moon is illuminated from the northern hemisphere perspective.
• D. New Moon: The side facing Earth is not illuminated, rendering it invisible.

Analysis

1. Full Moon: Visible in the night sky, the moon looks completely round and bright.
2. First Quarter: Exactly half of the moon is visible, so this option can be eliminated.
3. Last Quarter: Similar to the first quarter, but in reverse, where the opposite half is illuminated, eliminating this option as well.
4. New Moon: The moon is positioned between the Earth and the Sun, with the side facing the Earth receiving no direct sunlight, making it invisible.

Verify and Summarize

As analyzed, the terms can be distinguished based on the visibility of the sunlit portion. The new moon is clearly defined as the phase where the moon is not visible from Earth.

Final Answer

The phase of the moon when you do not see any of the side lit by the sun is d. new moon.