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harvest moon

harvest moon, full moon occurring nearest to the autumnal equinox, about Sept. 23. During harvest moon the retardation (later rising each night) of the moon is at a minimum because of the…

Moon Walks

Twelve astronauts have walked on the moon, the last in 1972. Here are the names of those astronauts listed chronologically by the date of their walk. July 20, 1969—Apollo 11Neil Armstrong Edwin “…

To the Moon and Mars

To the Moon and Mars In January 2004, President George W. Bush announced the ambitious goal of putting humans on Mars. The first stage involves returning to the Moon by the year 2020 and…

Phases of the Moon

Why does the shape of the moon appear to change? This science animation explains the phases of the moon.

Moon Exploration

Watch this video that summarizes recent lunar explorations to map the moon's surface and look for evidence of water ice on the Moon.

Halo Moon

The Question: What is the halo moon? The Answer: In the study of meteorology, the term halo can refer to several optical phenomena whereas sunlight or…

Moon Jae-in

(Encyclopedia) Moon Jae-in, 1953–, South Korean political leader, president of South Korea (2017–). The son of North Korean refugees, Moon studied law at Kyung Hee Univ. but was expelled twice for…

Moon walkers

The Question: How many people have walked on the Moon? The Answer: Twelve astronauts have walked on the Moon, the last in 1972. Here…

DK Science: Moon

THE MOON IN ECLIPSETHE LUNAR SURFACEPHASES OF THE MOONFIND OUT MORECircling round Earth once a month, the Moon is our planet’s only natural satellite. As the Moon orbits Earth, our view of…

DK Space: Moon

WHAT IS THE MOON MADE OF? HOW DOES THE MOON AFFECT EARTH? PhasesFIND OUT MOREIn space, the closest object to Earth is the Moon. It orbits Earth, and appears to change shape as it moves—the…