The Moon, Earth's natural satellite, has captivated humanity for millennia. Its ever-changing appearance in the night sky, known as the lunar phases, is a beautiful and predictable celestial dance. Among these phases, the waxing gibbous moon holds a special place, illuminating our early evenings and symbolizing progress.
The phases of the Moon are the different shapes the Moon seems to have when we look at it from Earth. The Moon itself doesn't actually change shape! Imagine the Moon is like a ball. Half of this ball is always lit by the Sun. As the Moon orbits Earth, we see different amounts of that lit-up half. The Moon goes through 8 main phases.
When the Moon appears to be getting bigger, it's called waxing. When it looks like it's getting smaller, it's called waning. Because of something called tidal locking, the same side of the Moon always faces Earth.
The waxing gibbous moon is defined as the lunar phase when the Moon appears to be more than one-half but not fully illuminated by direct sunlight. The word "gibbous" comes from a root word that means hump-backed. This refers to phases where the moon is more than half illuminated. "Waxing" essentially means growing or increasing in illumination.
A waxing gibbous moon is seen one to two weeks after a new moon. The waxing gibbous phase occurs approximately 7-10 days after a new Moon, as the Moon's illuminated area increases towards a full Moon. Each evening, as the moon’s orbital motion carries it towards the Earth-sun line, we see more of the moon’s day side.
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The waxing gibbous moon happens when the moon is between a 45 and 90 degree angle with respect to the Earth and Sun. So we are seeing more than half of the moon illuminated and less than half in shadow.
With some exceptions, the Waxing Gibbous Moon rises after noon. It is usually visible in the evening and sets after midnight.
Considering this, the Waxing Gibbous phase lasts for 6.375 days (from 53.4% to 96.4% lit).
The Waxing Gibbous Moon symbolizes the final steps you have to make to finish your work, the final stages of your project. Under the Waxing Gibbous Moon, you can feel the urge to change the direction of your life or your project. It is important not to resist this feeling. Instead of fighting, embrace it and trust it because only good things will happen if you do so.
During the waxing gibbous phase, the Moon appears more than 50% illuminated, with the illuminated area growing larger each night. The Moon's shape appears convex or 'gibbous,' meaning it has a swollen, bulging appearance on the illuminated side. This phase occurs between the first quarter and full Moon, as the Moon's position in its orbit continues to change relative to the Earth and Sun.
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The same percentage and area of the Moon will be lit up no matter where on Earth you are.
As the terminator moves across the face of our Moon, a delicate visual effect happens about two days after First Quarter. The Sun lights up the Montes Jura peaks (a mountain range) while, below, Sinus Iridum (Bay of Rainbows) is still in darkness. The result is the appearance of a curved “handle” on the terminator, known as the Golden Handle or Jewelled Scimitar. The Golden Handle appears on the terminator of the Waxing Gibbous Moon.
Each lunar cycle begins with a new moon. As the Moon moves eastward away from the Sun in the sky, we see a bit more of the sunlit side of the Moon each night. We call this waxing. After the new moon, the sunlit portion is increasing, but less than half illuminated, so it is a waxing crescent moon. When half of the Moon’s disc is illuminated, we call it the first quarter moon. As the sunlit portion continues to increase, now more than half illuminated, it becomes waxing gibbous moon. When the Moon reaches maximum illumination, a full moon, the Moon has completed one half of the lunar month.
During the second half of the lunar month, the Moon grows thinner each night. We call this waning. The waning gibbous moon phase occurs first, followed by the last quarter moon when half of the Moon’s disc is illuminated. Next is the waning crescent moon, which wanes until the illumination is completely gone; a new moon.
The Moon displays these eight phases one after the other as it moves through its cycle each month. It takes about 27.3 days for the Moon to orbit Earth.
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The average calendrical month, which is 1/12 of a year, is about 30.44 days, while the Moon’s phase (synodic) cycle repeats on average every 29.53 days. Therefore the timing of the Moon’s phases shifts by an average of almost one day for each successive month.
It takes about 27.3 days for the Moon to orbit Earth.
Anomalistic - 27 days, 13 hours, 18 minutes, 37.4 seconds.Nodical - 27 days, 5 hours, 5 minutes, 35.9 seconds.Sidereal - 27 days, 7 hours, 43 minutes, 11.5 seconds.Synodical - 29 days, 12 hours, 44 minutes, 2.7 seconds. This is the basis for most calendars we use today, and this is how we divide the year.
This phase also has one of the strongest effects on the Earth’s tides because of the Sun and the Moon’s gravitational pull. This causes the tides to be at their highest high points and their lowest low points.
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