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3 days ago · The map was created by NASA’s Scientific Visualization Studio using a model called GEOS, short for the Goddard Earth Observing System. GEOS is a high-resolution weather model, powered by supercomputers, that is used to simulate what was happening in the atmosphere — including storm systems, cloud formations, and other natural events.
2 days ago · Earth - Atmosphere, Climate, Ozone: Earth is surrounded by a relatively thin atmosphere (commonly called air) consisting of a mixture of gases, primarily molecular nitrogen (78 percent) and molecular oxygen (21 percent). Also present are much smaller amounts of gases such as argon (nearly 1 percent), water vapour (averaging 1 percent but highly variable in time and location), carbon dioxide (0 ...
3 days ago · The atmosphere has a mass of about 5.15 × 10 18 kg, [4] three quarters of which is within about 11 km (6.8 mi; 36,000 ft) of the surface. The atmosphere becomes thinner with increasing altitude, with no definite boundary between the atmosphere and outer space. The Kármán line, at 100 km (62 mi) or 1.57% of Earth's radius, is often used as ...
5 days ago · Be the smartest person at your next party with these 25 Facts About The Earth’s Atmosphere That Are Truly Majestic. 25. Believe it or not, the sky is actually purple. As light enters the atmosphere, air and water particles absorb and reemit the light, scattering it on its way to our eyes. Since scattering prefers shorter wavelengths, the most ...
1 day ago · Earth - Differentiation, Formation, Structure: Once hot, Earth’s interior could begin its chemical evolution. For example, outgassing of a fraction of volatile substances that had been trapped in small amounts within the accreting planet probably formed the earliest atmosphere. Outgassing of water to Earth’s surface began before 4.3 billion years ago, a time based on analysis of ancient ...
3 days ago · Mars - Atmosphere, Climate, Dust Storms: The Dutch American astronomer Gerard P. Kuiper ascertained from telescopic observations in 1947 that the Martian atmosphere is composed mainly of carbon dioxide. 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 ...
1 day ago · The atmosphere of Mars is the layer of gases surrounding Mars. It is primarily composed of carbon dioxide (95%), molecular nitrogen (2.85%), and argon (2%). [3] It also contains trace levels of water vapor, oxygen, carbon monoxide, hydrogen, and noble gases. [3] [5] [2] The atmosphere of Mars is much thinner and colder than Earth's having a max ...
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