The moon appears to shine because its surface reflects sunlight. Light from the sun travels through space to reach the Earth-moon system just over eight minutes after it is emitted. Some of this light falls on the surfac... More » Science Astronomy Our Moon

The moon doesn't produce its own light, but it does reflect enough of the sun's light to cast a glow onto the Earth. The moon reflects so much light that it can even be seen during the day, during certain months. More » Science Astronomy Our Moon

The moon does not shine on its own, but it instead reflects light from the sun. However, it only reflects a small fraction of light, so humans don't see the moon as brightly they do the sun. This makes it safe to look at... More »

The moon appears orange when the sunlight it reflects passes through a thicker portion of the Earth's atmosphere. Generally, the moon only appears orange when it is close to the horizon. More »

The phases of the moon are determined by the angle at which sunlight approaches the moon relative to the position of the Earth. When the sun is behind the Earth, relative to the moon, full sunlight falls on the hemispher... More »

According to NASA, the phases of the moon are caused by the sunlight and shadow created by its relative position to the sun. At two points during the 29.5-day lunar cycle, the side of the moon facing the Earth is half in... More »

A red moon occurs when the Earth eclipses the moon from sunlight. The moon looks red due to dispersed light from Earth's sunrises and sunsets that is refracted back onto the moon's surface. More »