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Hace 3 días · The composition of the atmosphere is more or less constant with height to an altitude of about 100 km (60 miles), with particular exceptions being water vapour and ozone. The atmosphere is commonly described in terms of distinct layers, or regions.
Hace 5 días · Who knew Earth’s upper atmosphere was like alphabet soup? NASA’s Global-scale Observations of the Limb and Disk (GOLD) mission has revealed unexpected C- and X-shaped formations in an electrified layer of gas high above our heads called the ionosphere .
Hace 1 día · Two regions are commonly distinguished in the Earth’s atmosphere, which are: Homosphere. Its name comes from its constant and regular composition, which occupies the first 100 km of the atmosphere from the ground. All the gases necessary for life are found there in different proportions. Heterosphere.
Hace 3 días · Earth, third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its single most outstanding feature is that its near-surface environments are the only places in the universe known to harbour life. It is designated by the symbol ♁.
Hace 1 día · Former federal prosecutor Shan Wu describes what it was like inside the Supreme Court as the justices issued a ruling granting former President Donald Trump partial immunity from special counsel ...
Hace 4 días · The atmosphere is very thin, exerting less than 1 percent of Earth’s atmospheric pressure at the surface. Surface pressures range over a factor of 15 because of the large altitude variations in Mars’s topography. Only small amounts of water are present in the atmosphere today.
Hace 5 días · NRLMSISE-00 is an empirical, global reference atmospheric model of the Earth from ground to space. It models the temperatures and densities of the atmosphere's components. A primary use of this model is to aid predictions of satellite orbital decay due to atmospheric drag.
