# Is a full moon is nine times brighter than a half moon?

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That's about right. When full, the Sun's light is reflected more directly AT the Earth, while at the quarters, much of the light that hits the Moon is reflected away - and only a small portion is scattered toward the Earth.
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# How much brighter is a full moon than a half moon?

A full moon is nine times brighter than a half moon.

# Why is the moon brighter than the sun?

it isn't the sun is 450000 times brighter than the moon! no..

# Is the moon brighter than the stars?

no stars are very bright and the mooon has no light of its own it reflects the light of the sun which is a star -------------------------------------------------------------

# How many times brighter is the Sun than the full moon?

On average, the answer is about 400,000 times I think, from memory. (I mean how bright they seen to us on Earth, of course.)

# At the time of the half moon can you predict when the full moon will be?

Yes. The lunar cycle takes 29.5 days, so from the "first quarter" moon (in which one half of the lunar surface is illuminated) to the full moon is 7 days and a few hours.

# Does the half moon weigh more than the full moon?

No. they weigh the same. The terminology of a half moon refers to how much of the moon can be seen.

# How many times brighter is a full moon than a half moon?

About twice as bright, since we see twice as much surface illuminated. Correct answer: 10 times as bright

# Is the crescent moon brighter than the full moon?

From our perspective, it is not brighter. It is mostly the far side of the moon that is lit up, and it is bright there, but we cannot see it.

# Which is brighter -the full moon or the crescent moon?

The full moon can be a thousand times brighter than the crescent moon.

yes\n

# By what factor is the sun brighter than the full moon?

The sun's apparent magnitude is -26.74, while the mean apparent magnitude of the full moon is -12.74, so their magnitudes differ by a convenient 14 . 6 magnitudes = a fac
In Astronomy

Full Moon
In The Moon

# What is the moon called when the moon looks larger than a half a moon but not a full moon?

That's the "gibbous" phase.
In Astronomy

# Is the sun brighter than the moon sometimes or most of the time?

The sun is always brighter than the moon. The moon simply reflects the sun's light to Earth.
In Planet Venus

# Is the moon brighter than Venus?

When you see it up in the sky, yes! Venus is the second brightest object in the night sky. Our moon is first.
In The Moon

# Why is a full moon less brighter than a half moon?

the full moon is more closer to the sun than the half moon