The Earth From the Air
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Main article: Absorption (electromagnetic radiation) Rough plot of Earth's atmospheric transmittance (or opacity) to various wavelengths of electromagnetic radiation, including visible light. Luckily in a smaller format the optical problems are less perceptible and since many of the newer photos have been shot with better equipment, the photos in this book look much better overall. ISBN 0-387-98746-0 , which rounds N 2 and O 2 to four significant digits without affecting the total because 0.
The Earth from the Air - Yann Arthus-Bertrand - Google Books
The 2007 EARTH FROM THE AIR diaries are packed with amazing pictures of the earth today by celebrated photographer Yann Arthus-Bertrand. However, most scientists use around 100 km when describing where the atmosphere ends and space begins.By international convention, this marks the beginning of space where human travelers are considered astronauts. depending on whether surface pressure or water vapor data are used; somewhat smaller than the previous estimate.
BBC Four - Earth from the Air
This time the captions actually provide some meaningful info about what is in the photo and just gently nudge us to think of various environmental impacts as well. The atmosphere of Earth is the layer of gases, known collectively as air, retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere. Yann takes on various photographic assignments, amongst them locations such as Russia and the Lebanon, learning on the way about the ecological issues that drive him.Yann Arthus-Bertrand knew how to reveal to us the beauty of our Earth in a way that had never before been seen while still respecting its naturalness and while often defining himself as a mere witness ; « Our Earth is art, the photographer is simply the witness ». The combined absorption spectra of the gases in the atmosphere leave "windows" of low opacity, allowing the transmission of only certain bands of light. The troposphere is denser than all its overlying layers because a larger atmospheric weight sits on top of the troposphere and causes it to be most severely compressed.