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  2. Planetary habitability in the Solar System - Wikipedia

    en.wikipedia.org/wiki/Planetary_habitability_in...

    However, there are many obstacles to its habitability. The surface temperature averages about -60 degrees Celsius (-80 degrees Fahrenheit). [35] There are no permanent bodies of liquid water on the surface. The atmosphere is thin, and more than 96% of it is toxic carbon dioxide. Its atmospheric pressure is below 1% that of Earth

  3. Atmosphere of Venus - Wikipedia

    en.wikipedia.org/wiki/Atmosphere_of_Venus

    The atmosphere has a mass of 4.8 × 10 20 kg, about 93 times the mass of the Earth's total atmosphere. [29] The density of the air at the surface is 65 kg/m 3, [29] which is 6.5% that of liquid water on Earth. [30] The pressure found on Venus's surface is high enough that the carbon dioxide is technically no longer a gas, but a supercritical fluid.

  4. Atmospheric pressure - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_pressure

    Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa (1,013.25 hPa ), which is equivalent to 1,013.25 millibars , [ 1 ] 760 mm Hg , 29.9212 inches Hg , or 14.696 psi . [ 2 ]

  5. Climate of Mars - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Mars

    Orbital measurements showed that this dust storm reduced the average temperature of the surface and raised the temperature of the atmosphere of Mars by 30 K. [31] The low density of the Martian atmosphere means that winds of 18 to 22 m/s (65 to 79 km/h) are needed to lift dust from the surface, but since Mars is so dry, the dust can stay in the ...

  6. ‘It’s almost science fiction’: Scientists say the shape of ...

    www.aol.com/almost-science-fiction-scientists...

    Temperatures in the inner core are as high as 9,800 degrees Fahrenheit (5,400 degrees Celsius), ... Earth’s average atmospheric pressure on land. While direct observation of the core is ...

  7. Astronomers reveal 3D structure of an alien planet's atmosphere

    www.aol.com/news/astronomers-reveal-3d-structure...

    The researchers peered through the atmosphere of WASP-121b, a planet also called Tylos, by combining all four telescope units of the European Southern Observatory's Chile-based Very Large ...

  8. International Standard Atmosphere - Wikipedia

    en.wikipedia.org/wiki/International_Standard...

    The U.S. Standard Atmosphere is a set of models that define values for atmospheric temperature, density, pressure and other properties over a wide range of altitudes. The first model, based on an existing international standard, was published in 1958 by the U.S. Committee on Extension to the Standard Atmosphere, [ 9 ] and was updated in 1962 ...

  9. Atmosphere of Mars - Wikipedia

    en.wikipedia.org/wiki/Atmosphere_of_Mars

    The highest atmospheric density on Mars is equal to the density found 35 km (22 mi) above the Earth's surface and is ≈0.020 kg/m 3. [7] The atmosphere of Mars has been losing mass to space since the planet's core slowed down, and the leakage of gases still continues today. [4] [8] [9]