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exosphere    
n. 外气层

外气层


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  • Exosphere - Wikipedia
    Earth's exosphere, energetic neutral atoms (ENA) and magnetosphere In principle, the exosphere covers distances where particles are still gravitationally bound to Earth, i e particles still have ballistic orbits that will take them back towards Earth
  • Layers of the Atmosphere - National Oceanic and Atmospheric Administration
    It extends from about 375 miles (600 km) to 6,200 miles (10,000 km) above the earth In this layer, atoms and molecules escape into space and satellites orbit the earth At the bottom of the exosphere is a transition layer called the thermopause
  • Exosphere | NASA Space Place – NASA Science for Kids
    The exosphere is the outermost layer of our atmosphere “Exo” means outside and is the same prefix used to describe insects like grasshoppers that have a hard shell or “exoskeleton” on the outside of their body
  • The Exosphere - Center for Science Education
    The exosphere is the uppermost region of Earth's atmosphere as it gradually fades into the vacuum of space The air in the exosphere is extremely thin - in many ways, it is almost the same as the airless void of outer space
  • Exosphere | Thermosphere, Ionosphere Magnetosphere | Britannica
    exosphere, outermost region of a planet’s atmosphere, where molecular densities are low and the probability of collisions between molecules is very small
  • What Is the Exosphere and What Does It Do?
    What is the exosphere and what does it do? The exosphere is the outermost layer of the Earth's atmosphere, located 310 miles above sea level and acts as a barrier between the Earth and space
  • EXOSPHERE Definition Meaning - Merriam-Webster
    The meaning of EXOSPHERE is the outer fringe region of the atmosphere of the earth or a celestial body (such as a planet)
  • 20 Facts About The Exosphere - OhMyFacts
    The exosphere is Earth's outermost layer, where the atmosphere meets space It's a thin, vast region with unique characteristics, playing a crucial role in space exploration and protecting our planet from meteoroids
  • Exosphere Structure and Key Facts Explained - Vedantu
    The exosphere is the outermost and thinnest layer of the Earth’s atmosphere, forming the boundary between our planet and outer space Though it contains very few gas particles, it plays a major role in satellite communication, space research, and atmospheric studies
  • Exosphere Definition and Facts - ThoughtCo
    The exosphere is Earth's outer layer, extending from 600 km into space, where particles rarely collide Earth's exosphere has light gases like hydrogen and helium and is affected by solar activity





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