The word comes from the Latin word 'gibbus' which means a hump like a hump-backed whale, with a convex shape, as the Moon has when it's bigger than half but not yet full.
The shade of the earth on the moon is what causes the gibbous moon.
Usually its waxing gibbous or waning gibbous, and both are phases of the moon
The named phrases are: -- New Moon -- Waxing Crescent -- First Quarter -- Waxing Gibbous -- Full Moon -- Waning Gibbous -- Third Quarter -- Waning Crescent -- New Moon (rinse and repeat)
All of them do, if you go back far enough in the records. The last named phase immediately before the waning gibbous is the Full Moon.
It's called a waning gibbous moon.
The opposite of a gibbous moon is a crescent moon. A gibbous moon is when the illuminated portion of the moon is greater than half, while a crescent moon is when the illuminated portion is less than half.
In a gibbous moon phase, most of the moon that we see is lit.
A waxing gibbous moon is when the illuminated portion is increasing (more than half but less than full), while a waning gibbous moon is when the illuminated portion is decreasing (more than half but less than full). The transition from waxing to waning occurs after the full moon.
No, a 'gibbous moon' is part of the regular lunar cycle. The moon takes roughly 30 days to go from a new moon, through all its phases, to become a new moon again. For a little under 3/8th of this time, the moon will be a gibbous moon, which will either be waxing gibbous towards a full moon and waning gibbous away from it.
The "more than 50%" moon is called the gibbous moon. When it is "growing" (appearing to get larger), it is a Waxing Gibbous; when "shrinking," it's the Waning Gibbous.
We see more of the moon lit when it is a gibbous moon than when it is a crescent moon, so it does seem bigger. Save
A gibbous moon is the phase of the moon that comes anywhere between the full moon and the quarter moon (both waxing and waning). The word 'gibbous', I believe means "swollen on one side".