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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.
The stratosphere is the second-lowest layer of Earth's atmosphere. It lies above the troposphere and is separated from it by the tropopause. This layer extends from the top of the troposphere at roughly 12 km (7.5 mi; 39,000 ft) above Earth's surface to the stratopause at an altitude of about 50 to 55 km (31 to 34 mi; 164,000 to 180,000 ft).
The thermosphere (or the upper atmosphere) is the height region above 85 kilometres (53 mi), while the region between the tropopause and the mesopause is the middle atmosphere (stratosphere and mesosphere) where absorption of solar UV radiation generates the temperature maximum near an altitude of 45 kilometres (28 mi) and causes the ozone layer.
“And so, the same unexplained thing that nudged 2023 warmer is likely also nudging 2024 warmer. But, we did expect it to be the warmest year on record right at the beginning,” Schmidt said.
Looking at 24-hour daily highs, all 10 of the hottest locations were found in India and Pakistan, and the highest temperature recorded on Earth at official weather stations Thursday was a toasty ...
Last year was Earth’s hottest in recorded ... The E.U.’s Copernicus Climate Change Service said global temperatures in 2023 were higher than in any year going back to at least 1850, reaching ...
These layers are the troposphere, stratosphere, mesosphere, and thermosphere. The troposphere is the lowest of the four layers and extends from the surface of the Earth to about 11 km (6.8 mi) into the atmosphere, where the tropopause (the boundary between the troposphere stratosphere) is located. The width of the troposphere can vary depending ...
The last 12 months were the hottest Earth has ever recorded, according to a new report by Climate Central, a nonprofit science research group. The peer-reviewed report says burning gasoline, coal ...