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Moon

NASA’s LRO Sheds Light on Lunar Water Movement

Scientists, using an instrument aboard NASA’s Lunar Reconnaissance Orbiter (LRO), have observed water molecules moving around the dayside of the Moon. A paper published in Geophysical Research Letters describes how Lyman Alpha Mapping Project (LAMP) measurements of the sparse layer... Continue Reading →

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Plane Crossing a Crescent Moon

No, this is not a good way to get to the Moon. What is pictured is a chance superposition of an airplane and the Moon. The contrail would normally appear white, but the large volume of air toward the setting Sun preferentially knocks away blue... Continue Reading →

The Umbra of Earth

The dark, inner shadow of planet Earth is called the umbra. Shaped like a cone extending into space, it has a circular cross section most easily seen during a lunar eclipse. For example, on January 21 the Full Moon slid across the northern half... Continue Reading →

Moon Struck

Craters produced by ancient impacts on the airless Moon have long been a familiar sight. But only since the 1990s have observers began to regularly record and study optical flashes on the lunar surface, likely explosions resulting from impacting meteoroids. Of course, the... Continue Reading →

Yutu 2 on the Farside

On January 3, the Chinese Chang'e-4 spacecraft made the first successful landing on the Moon's farside. Taken by a camera on board the lander, this image is from the landing site inside Von Karman crater. It shows the desksized, six-wheeled Yutu 2 (Jade Rabbit 2)... Continue Reading →

China Is The First To Land On The Dark Side Of The Moon

For the first time in history, a space mission has touched down on the far side of the moon. China’s Chang’e-4 probe landed in the oldest and deepest basin on the moon’s surface. One challenge of sending a probe to... Continue Reading →

Oxygen ions sent from Earth have been spotted on the moon

Earth’s atmosphere may have been leaking oxygen onto the moon for billions of years. Energetic particles from the solar wind bombard the moon nearly all time, except for a five-day window each month, when Earth passes between the sun and... Continue Reading →

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