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Moon: NASA's Lunar Portal
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Moon Facts
Moon Fact
Moon Gods

Most ancient religions had a moon god or goddess. One Roman moon goddess was named Luna, and this is why many modern words associated with the moon have "Luna" as their root.

EYES on LADEE: Explore the Moon in 3D
Moon Facts
Moon Day

A lunar day (or the time it takes from sunrise to sunrise) on the moon is approximately 708 hours.

Shaping the Moon

Between 4.5 and 4.3 billion years ago, a giant object hit the moon near its south pole and formed the South Pole-Aitken Basin, one of the two largest proven impact basins in the solar system.

Two NASA LRO Videos: "Evolution of the Moon" and "A Tour of the Moon."

Prince of Tides

There are two high tides and two low tides every day on every beach on Earth. This is due to the moon's pull.

The Moon Festival

Did you know the Chinese and Vietnamese have a festival each year to celebrate the moon?

Moon Phase Simulator

Interested in learning more about the phases of the moon?

Try the University of Nebraska's Lunar Phases Simulator.

Weightless? Not Quite

Gravity on the moon is only 1/6 of that found on Earth.

Once in a Blue Moon

About every 2.5 years an extra full moon, called a "Blue Moon" occurs.

The term Blue Moon is believed to have originated in 1883 after the eruption of Krakatoa. The volcano put so much dust in the atmosphere that the moon actually looked blue in color. This was so unusual that the term "once in a Blue Moon" was coined.

One Small Step ...

In 2009, a NASA team restored the first grainy video of Neil Armstrong's first step on the moon.

Bright Names

The light, rugged highlands of the moon are called the "terrae."

Moon Rocks

Rocks from the moon are similar to three kinds of igneous rocks that are found here on Earth: basalt, anorthosites and breccias.

Communication with LADEE

Unlike past missions, LADEE will be using lasers instead of radio waves to communicate with mission control.

Is There an Atmosphere on the Moon?

Relative to Earth, the moon is highly depleted in iron and in volatile elements that are needed to form atmospheric gases and water. However, there is an atmosphere.

Moon Dust

The moon's surface is covered by a pile of rock fragments and dust called lunar regolith. The thickness of the regolith varies from about 5 m on mare surfaces to about 10 m on highland surfaces.

Moon Water

In 2009, orbiting spacecraft discovered water molecules on the moon.

Tiny Temblors

"Moonquakes" are millions of times less powerful than earthquakes.

Mighty Minotaur

LADEE will be launched on an five-stage Minotaur V rocket. The first three stages of the Minotaur V are former Peacekeeper ballistic solid rocket motors. The fourth and fifth stages are commercial motors.

Stuffed Crust

The crust on the far side of the moon is thicker than the crust on the near side.

The far side highlands appear to have formed early in the moon's history, when a magma ocean (shaped by tides caused by Earth's gravity) heated the moon's floating crust non-uniformly. Since then, the magma ocean has solidified.

Ancient Rocks

Moon-rock ages range from about 3.2 billion years in the maria (dark, low basins) to nearly 4.6 billion years in the terrae (light, rugged highlands). Active geologic forces, including plate tectonics and erosion, continuously repave the oldest surfaces on Earth whereas old surfaces persist with little disturbance on the moon.

Orange Rocks on the Moon

How did orange soil appear on the moon? This mystery began when astronaut Harrison Schmidt noticed the off-color patch near Apollo 17's Taurus-Littrow landing site in 1972. Astronauts scooped up some of the unusual orange soil for inspection back on Earth. Lunar geologists now think that the orange soil was created during an ancient fire-fountain.

Lunar Celebration

The ancient Chinese greeted solar eclipses by using noisemakers and by shooting arrows toward the heavens.

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Last Updated: 11 Jul 2013