(Encyclopedia) trade winds, movement of air toward the equator, from the NE in the Northern Hemisphere and from the SE in the Southern Hemisphere. The trade winds originate on the equatorial sides of…
(Encyclopedia) geochemistry, study of the chemical changes on the earth. More specifically, it is the study of the absolute and relative abundances of chemical elements in the minerals, soils, ores,…
Saturn, the second-largest planet, has majestic rings surrounding it. Named for the Roman god of farming, Saturn was the farthest planet known by the ancients. Saturn's seven rings are flat and…
Source: NASA In 1997, Scientists released information about an asteroid that is likely to pass very close to the Earth in October 2028. At this point, Asteroid 1997 XF11, which is estimated…
WHY CAN’T WE SEE VENUS’S SURFACE? HOW HOT IS VENUS? FIND OUT MORESeen from Earth shining brightly in the west at sunset, Venus is called the evening star. It is a rocky planet, and the second-…
WHERE DOES SPACE BEGIN? WHERE IS EARTH IN SPACE? HOW MUCH SPACE IS THERE? WHAT IS A LIGHT-YEAR? WHAT CAN WE SEE WHEN WE LOOK INTO SPACE? JOURNEY INTO SPACE FIND OUT MORE
When you…
Neptune, named for an ancient Roman sea god, is a stormy blue planet about 30 times farther from the Sun than Earth. Neptune was discovered when astronomers realized that something was exerting a…
Source: The National Aeronautics and Space Administration (NASA) The lunar month is the 29.53 days it takes to go from one new moon to the next. During the lunar month, the Moon goes through all…
(Encyclopedia) celestial sphere, imaginary sphere of infinite radius with the earth at its center. It is used for describing the positions and motions of stars and other objects. For these purposes,…
A Guide to Middle-earth Important locations in the history of Middle-earth by Laura Hayes The World RELATED LINKS Middle-earth TimelineJ. R. R. TolkienWho's Who in…
