At certain times we see both the sunlit portion and the shadowed portion -- and
that ... positions) of the earth, the moon and the sun, as the moon orbits the earth.
... The first quarter and third quarter moons (both often called a "half moon"), ...
(Which half is always lit? The half that is facing the Sun.) The reason that we do
not always see a Moon which is half lit is because of our position relative to the ...
Feb 25, 2013 ... You know it when you see it, but what makes a full moon full? ... At full moon, we
are seeing all of the moon's day side. And that's what makes ... When the sun
rises again at dawn, the full moon is setting. ... At new moon, the moon is in the
middle position along the line. ... Half-lit last quarter moon on May...
We see a different fraction of sunlight being reflected from the moon to Earth ...
These phases have to do with the relative positions of the sun, the moon and the
... the Earth, we can see half of the illuminated part; that is, a quarter of the Moon.
This simulated multiple-exposure image shows the positions of the sun and
moon ... How much of this half we see, however, depends on our viewing
Feb 4, 2014 ... At 90° angular separation from the Sun, you on the Earth see half of the ... of the
lit side (day side) we see from the Earth depends on where the Moon ... If the
Moon was at its new phase position, person (D) would see the new ...
Mar 27, 2014 ... During each lunar orbit (a lunar month), we see the Moon's appearance ... First
Quarter - One-half of the Moon appears to be illuminated by direct sunlight. ...
caused by) the relative positions of the Moon and Sun in the sky.
This doesn't always correspond to the half that faces the earth. In fact, if the Moon
is on the same side of the earth as the Sun, we won't see the Moon at all.
Aug 13, 2012 ... As it moves around the Earth, the side we can see gradually becomes ... the sun
in the sky and is half illuminated, what we call "first quarter" because it ... Finally,
a week later, the moon is back to its new moon starting position.
Moon phases depend on the position of both the Sun and Moon with respect to
the ... During the first quarter, half of the Moon is illuminated, as seen from the
Earth. ... If only a part of the Moon enters the umbra, we see a partial lunar eclipse