VS.

Ionosphere vs. Troposphere

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Ionospherenoun

The part of the Earth's atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending outward 500 kilometers (310 miles) or more.

Tropospherenoun

The lower levels of the atmosphere extending from the surface of the Earth or another celestial body up to the tropopause. It is characterized by convective air movements and a large vertical temperature change.

Ionospherenoun

The similar region of the atmosphere of another planet.

Tropospherenoun

the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude)

Ionospherenoun

the outer region of the earth's atmosphere, beyond which is the exosphere; it contains a high concentration of free electrons and ions, and extends from about 50 miles to about 250 miles above the earth's surface, but the height shows daily and seasonal variation, and the composition of the particles in the ionosphere is also affected by events such as solar flares.

Troposphere

The troposphere is the first layer of the atmosphere of the Earth, and contains 75% of the mass of the planetary atmosphere and 99% of the total mass of water vapour and aerosols, and is where most weather phenomena occur. The average height of the troposphere is 18 km (11 mi; 59,000 ft) in the tropics, 17 km (11 mi; 56,000 ft) in the middle latitudes, and 6 km (3.7 mi; 20,000 ft) in the polar regions in winter; thus, the total average height of the troposphere is 13 km (8.1 mi; 43,000 ft).

Ionospherenoun

the outer region of the Earth's atmosphere; contains a high concentration of free electrons

Ionosphere

The ionosphere () is the ionized part of Earth's upper atmosphere, from about 48 km (30 mi) to 965 km (600 mi) altitude, a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation.

Ionosphere Illustrations

Troposphere Illustrations

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