Reveal Earth's Atmosphere | National Geographic

00:04:56
https://www.youtube.com/watch?v=1YAOT92wuD8

Resumo

TLDRThe video provides a fascinating look at the troposphere, the lowest layer of the Earth's atmosphere. It describes how this layer, like an ocean of air, supports life by containing a balanced mixture of gases and exhibiting fluid-like properties such as turbulence and waves. The troposphere has weight, pressing down on us with significant force, which our bodies balance through internal air pressure. The video also shares a captivating aspect of air dynamics, showcasing the skill of air surfing, which demonstrates the complexities of maneuvering in the atmospheric currents.

Conclusões

  • 🌍 The troposphere is vital for life on Earth.
  • 💨 It behaves like a fluid, similar to an ocean.
  • 🌪 Tornadoes are compared to giant whirlpools.
  • ☁️ Clouds are formed by the cooling and condensation of air.
  • ⚖️ Atmospheric pressure is crucial for bodily balance.
  • 🏄 Air surfing showcases the complexities of air flow.

Linha do tempo

  • 00:00:00 - 00:04:56

    The atmosphere can be visualized as a layer of air surrounding the Earth, comparable to a ball, with weight equivalent to a 34-foot deep layer of water. The troposphere, where we reside, is a narrow band crucial for life, composed of a mixture of gases and possessing a fluid-like presence. This fluidity leads to atmospheric phenomena such as turbulence and cloud formation, influenced by geographical features like mountains. Furthermore, tornadoes are likened to giant whirlpools, and massive tropospheric waves can create impressive clouds, as seen in Queensland, Australia. The weight of the atmosphere exerts pressure on us, counterbalanced by the air inside our bodies, allowing us to function normally. Additionally, some individuals can even 'surf' on air currents, exemplified by expert Troy Hartman, demonstrating the dynamic nature of the atmosphere.

Mapa mental

Vídeo de perguntas e respostas

  • What is the troposphere?

    The troposphere is the lowest layer of Earth’s atmosphere, where we live and which contains essential gases for life.

  • What does the atmosphere weigh?

    If the atmosphere were wrapped around the Earth, it would weigh as much as a layer of water 34 feet deep.

  • How does the atmosphere behave like a fluid?

    The atmosphere exhibits turbulence, currents, and even waves, similar to an ocean.

  • What is the significance of air pressure in the atmosphere?

    Air pressure presses down on our bodies, approximately 14 lbs per square inch, which we balance with the air inside our bodies.

  • Can you surf in the atmosphere?

    Yes, there are ways to surf on air, though it is much trickier than traditional surfing.

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    [Music]
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    there's another way of looking at the
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    atmosphere if you could unwrap the
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    atmosphere from the surface of the
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    Earth and put it all into a ball this is
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    what it would look
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    like its weight is equal to a layer of
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    water 34 ft deep covering the
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    Earth
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    [Music]
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    the lay that we spend our lives in the
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    troposphere is just a narrow
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    band it's a finely balanced mixture of
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    different gases essential for
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    life but it also has a physical
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    presence to understand the troposphere
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    we live
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    in you have to think of it not just as
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    gases but as a
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    fluid in effect we live at the bottom of
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    an ocean of
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    air just like water air has
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    turbulence these clouds are formed as
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    the air creates Edy currents flowing
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    around the tips of
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    mountains
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    tornadoes are like giant whirl
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    pools and just like the ocean the
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    troposphere even has
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    waves this cloud in Queensland Australia
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    is one of the largest waves in the
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    world it can reach to over a mile
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    high it's a solitary tropospheric wave
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    that combined with the humidity in the
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    region takes a form of a visible
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    [Music]
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    Cloud as the air cools it condenses to
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    form a cloud that rolls in land at 20 5
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    m
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    hour visible evidence of the ocean of
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    air above
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    us and just like any fluid the
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    atmosphere has a
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    weight it presses down on each of our
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    bodies with a force of over 14 lb per
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    square
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    inch the only reason that we don't
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    collapse in a heap is because the air
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    inside our bodies balances the pressure
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    outside we're like like lobsters walking
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    on the seabed oblivious to the weight of
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    the fluid above us because we're so
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    adjusted to
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    it and if you're still in any doubt
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    about the fluid nature of the
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    [Music]
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    atmosphere some people can even surf on
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    it admittedly it's a little trickier
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    than traditional
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    surfing which is why it's best left to
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    an expert like Troy
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    Hartman now the air is Flowing I'm just
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    standing on a Surface
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    here Troy isn't just falling vertically
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    through the air he can move horizontally
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    [Music]
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    [Applause]
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    too G my Des
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    it's like a
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    [Music]
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    runner the guy is Troy's
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    [Music]
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    [Applause]
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    ocean woo
Etiquetas
  • Troposphere
  • Atmosphere
  • Air Pressure
  • Fluid Dynamics
  • Tornadoes
  • Cloud Formation
  • Air Surfing
  • Weather
  • Gases
  • Life Support