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Because the earth relies on the light from the sun. Only half of the planet can be lit at any time - due to the fact that light travels in straight lines.
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∙ 12y ago
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What phenomenon is caused when a person on earth cannot see all of the fully lighted side of the moon?
This is what causes the so-called "phases" of the moon: although fully half of the moon is lighted, we can only see part of the lighted part. A person on earth hardly ever sees all of the lighted side of the moon. When he does, he calls the sight a "full moon."
What do you call it when the Moon's disk is fully lighted and the Earth is between the sun and the moon?
A full Moon.
When at new moon the lighted half of the moon faces away or towards the earth?
the lighted half is facing towards the sun not the earth
Is the phase of the moon depend on how much of the lighted side of the moon can be seen from earth?
Not exactly. The lighted side of the moon as seen from Earth is that part that is not shadowed by the Earth.
Is earth always light?
At any moment, 50% of the earth is lighted by the direct rays of the sun,and the other 50% of the earth is not.Over the course of a year, every point on earth is lighted by the direct raysof the sun for exactly 50% of the time, and not lighted by the direct rays ofthe sun for the other 50% of the time.There is no place on earth that is always lighted by the direct rays of the sun, andthere is no place on earth that is never lighted by the direct rays of the sun.Has the questioner ever noticed it getting dark outside his home ???
What phase is the moon in when less and less of the side facing the earth is lighted?
The moon is said to be waning when less and less of the side facing Earth is lighted. :D
Why can't you see a lighted moon at one stage in the lunar cycle?
One half of the moon, the side that faces the Sun, is always lighted. But we usually see only part of the lighted side (phases) as the Moon orbits the Earth. When the Moon is directly between the Earth and the Sun (a new moon) none of the lighted side, facing the Sun, is visible from Earth.
How much of the earth is lighted up by the Sun by percent?
50%
Can the whole Earth be lighted at the same time?
Not from one point of illumination.
When the amount of the lighted surface of the moon that is visible from earth is decreasing?
waning
When the lighted side of the faces away from earth it is called a?
new moon
When the lighted side of the moon faces away from earth it is called a?
new moon
