Search

Search results

Displaying 1 - 9

contour

(Encyclopedia) contour or contour line, line on a topographic map connecting points of equal elevation above or below mean sea level. It is thus a kind of isopleth, or line of equal quantity. Contour…

Types of Maps

There are several types of maps. Each show different information. Most maps include a compass rose, which indicates which way is north, south, east and west. They also include a scale so you…

Latitude and Longitude Map

Distance Calculator Find coordinates cities/towns, land features, and more Where Is It? Location: (example: Grand Canyon, Arizona) Location (see Map) Latitude Longitude The…

How Many Continents Are There?

Source: iStock Like a large jigsaw puzzle, the surface of the Earth is divided up into interlocking pieces that form the world we know today. And when it comes to the number of continents, it hasn’t…

aerial and satellite photography

(Encyclopedia) aerial and satellite photography, technology and science of taking still or moving-picture photographs from a camera mounted on a balloon, airplane, satellite, rocket, or spacecraft.…

World Geography Glossary

Find the definition of geography terms and phrases. geography The study of the physical features of the earth. Includes study of regional formations and their relation to humans. latitude…

Mercury

(Encyclopedia) Mercury, in astronomy, nearest planet to the sun, at a mean distance of 36 million mi (58 million km); its period of revolution is 88 days. Mercury passes through phases similar to…

Notable Staffed Space Flights

Here is a table of staffed space flights including the names of astronauts, duration of the flights, and launch dates. Designation and country Date Astronauts Flight time Remarks…

space exploration

(Encyclopedia) space exploration, the investigation of physical conditions in space and on stars, planets, and other celestial bodies through the use of artificial satellites (spacecraft that orbit…