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The mesosphere (/ ˈ m ɛ s ə s f ɪər, ˈ m ɛ z-, ˈ m iː s ə-,-z ə-/; [1] from Ancient Greek μέσος (mésos) 'middle' and -sphere) is the third layer of the atmosphere, directly above the stratosphere and directly below the thermosphere. In the mesosphere, temperature decreases as altitude increases.
The mesopause is the point of minimum temperature at the boundary between the mesosphere and the thermosphere atmospheric regions. Due to the lack of solar heating and very strong radiative cooling from carbon dioxide, the mesosphere is the coldest region on Earth with temperatures as low as -100 °C (-148 °F or 173 K). [1]
Temperatures in the mesosphere decrease with altitude, and are the coldest in the Earth's atmosphere. [5] This decrease in temperature can be attributed to the diminishing radiation received from the Sun, after most of it has already been absorbed by the thermosphere. [3]
It varies with the temperature and pressure of the parcel and is often in the range 3.6 to 9.2 °C/km (2 to 5 °F/1000 ft), as obtained from the International Civil Aviation Organization (ICAO). The environmental lapse rate is the decrease in temperature of air with altitude for a specific time and place (see below). It can be highly variable ...
The best puffer vests for women are perfect for layering in the colder seasons. These are our favorites to shop today, from brands from the North Face to Moncler. The 12 Best Puffer Vests for ...
As a result, the lower mantle's temperature gradient as a function of depth is approximately adiabatic. [1] Calculation of the geothermal gradient observed a decrease from 0.47 kelvins per kilometre (0.47 °C/km; 1.4 °F/mi) at the uppermost lower mantle to 0.24 kelvins per kilometre (0.24 °C/km; 0.70 °F/mi) at 2,600 kilometres (1,600 mi). [3]
Here are the best puffer vests for women if you want to bundle up for winter 2023. Find quilted vests, down vests, lightweight vests, and more for layering.
Within the last couple decades, the down jacket has become a staple of winter fashion. Bright neon colored versions of the puffer were worn in Italy throughout the 1980s. During the 1990s the jacket surged in popularity as a young generation of ravers would adorn themselves in the puffer, wearing it throughout the night during the winter months ...