Moon is 1/4 the Size of Earth |
The moon is about 1/4 the size of the Earth.
Only 59% of the moon's surface is visible from earth. From Earth, we always see the same side of the moon; the other side is always hidden. As the moon rotates around the earth, it also rotates around its own axis at the same rate. This is why we always see the same side of the moon.
The Moon is 4.5 billion years old.
Only 59% of the moon's surface is visible from earth. From Earth, we always see the same side of the moon; the other side is always hidden. As the moon rotates around the earth, it also rotates around its own axis at the same rate. This is why we always see the same side of the moon.
The Moon is 4.5 billion years old.
Earth From Moon |
Moon orbiting counterclockwise from west to east.
The moon orbits Earth at an average speed of 3,683 kilometers per hour.
The Moon travels a distance of 2,290,000 kilometer around the Earth.
The Moon has a diameter of 3,476 kilometers.
The Moon has no atmosphere. There is no wind or weather on the moon.
The Moon is not a light source; it does not make its own light. The moon reflects light from the sun and the Sun always illuminates one side of the Moon.
Earthshine |
A few days after new moon, when there is just a very slim crescent, you can sometimes see earthshine on the unilluminated portion of the Moon. Earthshine is caused by sunlight being reflected off the Earth and falling onto the Moon.
Moon Rise |
The moon rises in the east and sets in the west.
The new moon rises and sets at approximately the same time as the sun.
The first quarter moon rises at mid-morning and sets at midnight. So it's at its height around dusk, not in the middle of the night.
The full moon rises at sunset and sets at sunrise. The full moon is the only moon that will be overhead in the middle of the night.
The last quarter moon rises at midnight and sets at mid-morning. So unless you're a late-owl, you would never even see this moon.
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