About 89,400 results
Open links in new tab
  1. Troposphere - Wikipedia

    The troposphere is the lowest layer of the atmosphere of Earth. Pronounced / ˈtrɒpəsfɪərˌ - poʊ -/, [1] the name comes from Ancient Greek τρόπος (trópos) 'turning, change' and - sphere. It …

  2. The Troposphere - Center for Science Education

    The troposphere is the lowest layer of Earth's atmosphere. Most of the mass (about 75-80%) of the atmosphere is in the troposphere. Most types of clouds are found in the troposphere, and …

  3. Atmosphere - Weather, Air Pollution, Climate | Britannica

    Dec 17, 2025 · Atmosphere - Weather, Air Pollution, Climate: The lowest portion of the atmosphere is the troposphere, a layer where temperature generally decreases with height.

  4. Troposphere Definition - Intro to Climate Science Key Term

    The troposphere is the lowest layer of Earth's atmosphere, extending from the surface up to about 8 to 15 kilometers (5 to 9 miles) high, depending on latitude and weather conditions.

  5. Troposphere | NASA Space Place – NASA Science for Kids

    Jun 28, 2019 · What is the troposphere? The troposphere is the innermost layer of Earth’s atmosphere. Closest to the surface of Earth, we have the troposphere. “Tropos” means …

  6. Troposphere - Definition, Examples, Quiz, FAQ, Trivia

    The troposphere is the lowest layer of Earth's atmosphere - the air layer closest to the ground where we live and breathe. It's where all weather happens, from sunny days to thunderstorms!

  7. Troposphere | Research Starters - EBSCO

    The troposphere is the lowest layer of Earth's atmosphere, extending from the surface to altitudes of approximately 10-16 kilometers, with its height varying by latitude. This layer contains over …

  8. Troposphere - an overview | ScienceDirect Topics

    The troposphere is defined as the region of the atmosphere closest to Earth, extending from the surface up to about 10 km in altitude, where almost all weather occurs and temperatures …

  9. What Is the Troposphere? - Earth How

    The troposphere is the lowest layer of the atmosphere. It starts at ground level and extends upwards to about 13 km. All weather occurs in the troposphere.

  10. TROPOSPHERE Definition & Meaning - Merriam-Webster

    The meaning of TROPOSPHERE is the lowest densest part of the earth's atmosphere in which most weather changes occur and temperature generally decreases rapidly with altitude and …