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It also contains the air we breathe, the weather we experience and helps to regulate planetary temperatures. We also use third-party cookies that help us analyze and understand how you use this website. The troposphere consists of the lower 10 km of the atmosphere. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Correct answer: C. The emsosphere extends upward to a height of about 85 km (53 miles) above our planet. This layer exists between seven to 31 miles above the surface of Earth. What is the coldest layer inside the Earth? Physics and Chemistry in Space (R. Schwenn and E. Marsch eds.). What's in the Atmosphere The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The boundary between the mesosphere and the thermosphere is called the mesopause. Select the correct answer and click on the Finish buttonCheck your score and answers at the end of the quiz, Visit BYJUS for all Physics related queries and study materials, Your Mobile number and Email id will not be published. So, you can understand how they work better. The temperature in the mesosphere grows colder with the altitude. Mesosphere, coldest layer of Earth's atmosphere, Thermosphere and exosphere, outermost shells of Earths atmosphere, Noctilucent clouds, ice crystals in the skimming light of the setting sun, Meteor, a space debris particle flying through the atmosphere. When extraterrestrial objects (meteoroids, space shuttles) enter the atmosphere, they start heating up in the mesosphere. [7] Temperatures in the upper mesosphere fall as low as about 100C (173K; 148F),[8] varying according to latitude and season. Analytical cookies are used to understand how visitors interact with the website. The atmosphere provides protection to life on Earth by preventing extreme day and night temperatures. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. They are the main transport mechanism in the troposphere and the stratosphere. However, despite the high temperatures, this layer of the atmosphere would still feel very cold to our skin due to the very thin atmosphere.