Approximately half. Because the Moon is orbiting the Earth, various fractions of this illuminated surface are visible, depending on the angle from which we see it.
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50% of the moon is always lit
The side facing the sun is lit up.
The sun lights it
Half of the moon is always lit by the sun except during a lunar eclipse. This is true no matter what phase the moon is in.
The moon is ALWAYS 50% (+/-) illuminated. Though we only see all of the half lit side when the moon is opposite the sun (Full Moon).
50% of the moon is always lit
Half of the moon is always lit by the sun, unless the sun is eclipsed by the Earth. The portion of the illuminated moon viewed from Earth depends on the moon's orbit. As the moon orbits, different portions of shadow and illumination are seen from Earth, creating the moon's phases.
The side facing the sun is lit up.
The sun lights it
Half of the moon is always lit by the sun except during a lunar eclipse. This is true no matter what phase the moon is in.
The moon is ALWAYS 50% (+/-) illuminated. Though we only see all of the half lit side when the moon is opposite the sun (Full Moon).
Half of the moon is always lit. Due to it's position in relation to the sun and the earth, we see a different moon every night.
Yes, half of the moon is always lit because it faces the sun.
Unless there is a lunar eclipse, half of the moon is always lit by the sun. Sometimes we see the lit half dead on (full moon), sometimes side on (half moon) and sometimes we don't see any of the lit surface (new moon) - usually we see something in between.
Half
The Moon isn't really changing its shape. It is always round. As the Moon moves around Earth, we only see the parts of the Moon that are lit by the Sun. The Sun's light bounces, or reflects, off the Moon.
That's what always happens when a flashlight shines on a ball, unless there is something in the way.