Moon Phases Overview

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Questions and Answers

Which phase of the moon occurs when it is fully illuminated?

  • Full Moon (correct)
  • Waning Gibbous
  • Last Quarter
  • Waxing Crescent

During which phase of the moon is the illuminated portion larger than half and growing?

  • Waning Gibbous
  • Waxing Crescent
  • Waxing Gibbous (correct)
  • New Moon

What distinguishes the Last Quarter phase of the moon from the First Quarter phase?

  • The moon is not illuminated.
  • The illuminated portion is on the left side. (correct)
  • The illuminated portion is on the right side.
  • The moon is fully illuminated.

Which phase occurs when the moon is less than half illuminated and the illuminated portion is shrinking?

<p>Waning Crescent (C)</p> Signup and view all the answers

What does the New Moon phase signify about the moon's illumination?

<p>The moon is not illuminated. (C)</p> Signup and view all the answers

Flashcards

Waxing Gibbous

The illuminated portion of the moon is growing larger, and it appears more than half illuminated.

First Quarter

The moon is half illuminated with the right side being lit up.

Waxing Crescent

The moon is less than half illuminated, and the illuminated portion is growing.

Full Moon

The moon is completely illuminated from our perspective on Earth.

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Waning Gibbous

The moon is more than half illuminated, and the illuminated portion is shrinking.

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Study Notes

Moon Phases

  • The Moon's phases are a result of changing angles of sunlight reflecting off the Moon as it orbits Earth.
  • Sunlight illuminates different portions of the Moon's surface, causing the visible shape to change.
  • Waxing means growing, or increasing in illuminated area.
  • Waning means shrinking, or decreasing in illuminated area.

Specific Phases

  • New Moon: The Moon is not visible from Earth because the side facing Earth is not illuminated by the Sun.
  • Waxing Crescent: A small portion of the Moon becomes visible after the New Moon.
  • First Quarter: Half of the Moon is visible, illuminated on the right side.
  • Waxing Gibbous: More than half of the Moon is visible.
  • Full Moon: The entire surface of the Moon facing Earth is illuminated.
  • Waning Gibbous: More than half of the Moon is visible, but the illuminated portion is shrinking.
  • Last Quarter: Half of the Moon is visible, illuminated on the left side.
  • Waning Crescent: A small portion of the Moon is visible before the New Moon.

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Moon Phases PDF

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