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  1. nasa.gov
    https://earthobservatory.nasa.gov

    NASA Earth Observatory - Home

    The Earth Observatory shares images and stories about the environment, Earth systems, and climate that emerge from NASA research, satellite missions, and models.

  2. nasa.gov
    https://www.earthobservatory.nasa.gov › images

    Images - NASA Earth Observatory

    May 21, 2025 · The Earth Observatory shares images and stories about the environment, Earth systems, and climate that emerge from NASA research, satellite missions, and models.

  3. nasa.gov
    https://earthobservatory.nasa.gov › world-of-change › global-temperatures

    World of Change: Global Temperatures - NASA Earth Observatory

    Global temperature records start around 1880 because observations did not sufficiently cover enough of the planet prior to that time. The line plot above shows yearly temperature …

  4. nasa.gov
    https://www.earthobservatory.nasa.gov › features › OrbitsHistory

    Planetary Motion: The History of an Idea That Launched the …

    Many ancient and medieval cultures believed the stars and the planets rotated around a fixed Earth. The complex motions of the planets—which sometimes move backwards across the sky …

  5. nasa.gov
    https://www.earthobservatory.nasa.gov › biome › biotundra.php

    Tundra: Mission: Biomes - NASA Earth Observatory

    Description. The tundra is the coldest of the biomes. It also receives low amounts of precipitation, making the tundra similar to a desert. Tundra is found in the regions just below the ice caps of …

  6. nasa.gov
    https://www.earthobservatory.nasa.gov › biome › biodesert.php

    Desert: Mission: Biomes - NASA Earth Observatory

    The Earth Observatory shares images and stories about the environment, Earth systems, and climate that emerge from NASA research, satellite missions, and models.

  7. nasa.gov
    https://www.earthobservatory.nasa.gov › biome › bioconiferous.php

    Coniferous Forest: Mission: Biomes - NASA Earth Observatory

    The average temperature in winter ranges from -40°C (-40°F) to 20°C (68°F). The average summer temperatures are usually around 10°C (50°F). The coniferous forest is sandwiched in …

  8. nasa.gov
    https://earthobservatory.nasa.gov › biome › graphs.php

    Temperature and Precipitation Graphs - NASA Earth Observatory

    The Earth Observatory shares images and stories about the environment, Earth systems, and climate that emerge from NASA research, satellite missions, and models.

  9. nasa.gov
    https://www.earthobservatory.nasa.gov › biome › biorainforest.php

    Rainforest: Mission: Biomes - NASA Earth Observatory

    Description. There are two types of rainforests, tropical and temperate. Tropical rainforests are found closer to the equator where it is warm. Temperate rainforests are found near the cooler …

  10. nasa.gov
    https://earthobservatory.nasa.gov › features › UVB

    Ultraviolet Radiation: How It Affects Life on Earth

    Stratospheric ozone depletion due to human activities has resulted in an increase of ultraviolet radiation on the Earth's surface. The article describes some effects on human health, aquatic …