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Earth

Various sciences that study the Earth, either as a physical entity, or as a living environment for plants, animals and human beings.
meteorology

METEOROLOGY

The science that studies atmospheric phenomena, with a particular focus on forecasting variations in weather.

profile of the Earth’s atmosphere

profile of the Earth’s atmosphere

Atmosphere: layer of air that surrounds the Earth and is composed mainly of nitrogen (78%) and oxygen (21%); its density decreases with altitude.

seasons of the year

seasons of the year

Periodic climate changes over the course of a year; they are a function of the Earth’s inclination toward the Sun and its rotation around it.

meteorological forecast

meteorological forecast

Scientific method that makes it possible to forecast atmospheric conditions in a particular region for a given period.

weather map

weather map

Map representing atmospheric conditions observed in a region at a given time.

station model

station model

Method of representing information collected by an observation station on a weather map using symbols and numbers.

international weather symbols

international weather symbols

Standardized map symbols used to record observations from meteorological stations all over the world.

meteorological station

meteorological station

The installations and instruments required to conduct meteorological observations on the ground.

weather satellites

weather satellites

Observation spacecraft that study the atmosphere and transmit data to Earth, making it possible to forecast the weather on the ground.

climates of the world

climates of the world

Climate is a collective term for the atmospheric conditions (temperature, humidity, air pressure, wind, precipitation) that characterize a given region.

clouds [1]

clouds [1]

Fine droplets of water or ice crystal suspended in the atmosphere; the World Meteorological Organization classifies them according to 10 types.

clouds [2]

clouds [2]

Fine droplets of water or ice crystal suspended in the atmosphere; the World Meteorological Organization classifies them according to 10 types.

clouds [3]

clouds [3]

Fine droplets of water or ice crystal suspended in the atmosphere; the World Meteorological Organization classifies them according to 10 types.

clouds [4]

clouds [4]

Fine droplets of water or ice crystal suspended in the atmosphere; the World Meteorological Organization classifies them according to 10 types.

tropical cyclone

tropical cyclone

Low-pressure zone that forms in the intertropical region and is marked by violent precipitation and swirling winds of 74 to 185 mph.

precipitation

precipitation

Collective term for water particles in the atmosphere that fall or are deposited on the ground in solid or liquid form.