The dark spots on the moon are called "maria" ("mare" in the singular), which literally means "seas" in Latin. However, despite the misnomer, the maria are low-lying areas that are more like flat plains, that are devoid of water.Continue Reading
The maria mainly exist on the near side of the moon, the side of the moon that always faces the Earth. On the far side of the moon, hardly any maria exist. In total about 17% of the moon's surface is covered by maria.
In contrast to the maria are the light-colored lunar highlands, which dominate the far side of the moon and are older than the maria. Craters abound in the highlands, but the maria contain almost no craters. An examination of specimens from the maria and from the highlands shows that rocks from the maria are only about 3.5 billion years old, but rocks from the highlands are about 4.5 billion years old.Learn more about Our Moon
As of October 2014, 12 people, all U.S. astronauts, have walked on the moon. The first man to step on the moon was Neil Armstrong, commander of Apollo 11, in July of 1969. The last was Eugene Cernen, commander of Apollo 17, in December of 1972.Full Answer >
A blood moon is a deep reddening of the moon caused by the Earth passing between the moon and the sun. During the period of the eclipse, light from the sun passes around the Earth and through its atmosphere. This scatters the short-wavelength blue light from the sun but allows the longer-wavelength red and orange light to reach the moon.Full Answer >
One of the main reasons the United States sponsored a mission to the moon was because of the space race with Russia. Russia was the first country to put an artificial satellite in space, which caused a lot of embarrassment for the U.S.Full Answer >
A person who weighs 150 pounds on Earth weights approximately 24.9 pounds on the moon. Weight on the moon is about one-sixth or 16.6 percent of what it is on Earth.Full Answer >