The Moon is locked with the Earth, which means that we always see the same side of the Moon. You would think that this meant that we could only see 50% of the Moon's surface, but we can see slightly more from Earth.
What Happens During a Solar Eclipse?
A solar eclipse occurs when the Earth and Moon line up with the Sun. The Moon blocks sunlight from reaching Earth.
Have you noticed that the Moon doesn't always look the same. Sometimes we can see the full face of the Moon and it becomes the brightest object in the night sky. At other times, it appears as a just small sliver in the sky.