The mesosphere (/ˈmɛsoʊsfɪər/; from Greek mesos "middle" and sphaira "sphere") source
The mesosphere (/ˈmɛsoʊsfɪər/; from Greek mesos "middle" and sphaira "sphere")
The mesosphere is the layer of the Earth's atmosphere that is directly above the stratosphere and directly below the mesopause. source
The mesosphere is the layer of the Earth's atmosphere that is directly above the stratosphere and directly below the mesopause.
In the mesosphere, temperature decreases as the altitude increases. source
In the mesosphere, temperature decreases as the altitude increases.
The upper boundary of the mesosphere is the mesopause, which can be the coldest naturally occurring place on Earth with temperatures below −143 °C (−225 °F; 130 K). source
The upper boundary of the mesosphere is the mesopause, which can be the coldest naturally occurring place on Earth with temperatures below −143 °C (−225 °F; 130 K).
The exact upper and lower boundaries of the mesosphere vary with latitude and with season. source
The exact upper and lower boundaries of the mesosphere vary with latitude and with season.
the lower boundary of the mesosphere is usually located at heights of about 50 kilometres (160,000 ft; 31 mi) above the Earth's surface source
the lower boundary of the mesosphere is usually located at heights of about 50 kilometres (160,000 ft; 31 mi) above the Earth's surface
The stratosphere, mesosphere and lowest part of the thermosphere are collectively. source
The stratosphere, mesosphere and lowest part of the thermosphere are collectively.
Referred to as the "middle atmosphere", which spans heights from approximately 10 kilometres (33,000 ft; 6.2 mi) to 100 kilometres (62 mi; 330,000 ft). source
Referred to as the "middle atmosphere", which spans heights from approximately 10 kilometres (33,000 ft; 6.2 mi) to 100 kilometres (62 mi; 330,000 ft).
The mesopause, at an altitude of 80–90 km (50–56 mi), separates the mesosphere from the thermosphere-the second-outermost layer of the Earth's atmosphere. source
The mesopause, at an altitude of 80–90 km (50–56 mi), separates the mesosphere from the thermosphere-the second-outermost layer of the Earth's atmosphere.
Above this level the atmosphere becomes non-uniform; the scale heights of different chemical species differ by their molecular masses. source
Above this level the atmosphere becomes non-uniform; the scale heights of different chemical species differ by their molecular masses.
Within the mesosphere, temperature decreases with increasing height, due to decreasing solar heating and increasing cooling by CO2 radiative emission. source
Within the mesosphere, temperature decreases with increasing height, due to decreasing solar heating and increasing cooling by CO2 radiative emission.
The top of the mesosphere, called the mesopause, is the coldest part of Earth's atmosphere. source
The top of the mesosphere, called the mesopause, is the coldest part of Earth's atmosphere.
Temperatures in the upper mesosphere fall as low as −101 °C (172 K; −150 °F),[3] varying according to latitude and season. source
Temperatures in the upper mesosphere fall as low as −101 °C (172 K; −150 °F),[3] varying according to latitude and season.
Noctilucent clouds are located in the mesosphere. source
Noctilucent clouds are located in the mesosphere.
The mesosphere lies above altitude records for aircraftand , balloons, and below the minimum altitude for orbital spacecraft. source
The mesosphere lies above altitude records for aircraftand , balloons, and below the minimum altitude for orbital spacecraft.
The presence of red sprites and blue jets (electrical discharges or lightning within the lower mesosphere). source
The presence of red sprites and blue jets (electrical discharges or lightning within the lower mesosphere).
