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Posté par le 1 décembre 2020

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9000 kPa: Roberge, Aki. At sea level on Earth, we breathe in an atmosphere where each cubic centimeter contains 10,000,000,000,000,000,000 molecules; by comparison the lunar atmosphere has less than 1,000,000 molecules in the same volume. Earth’s atmosphere is over 100 denser than Mars. Saturn - Saturn - The atmosphere: Viewed from Earth, Saturn has an overall hazy yellow-brown appearance. Earth and Saturn are two planets that show a remarkable difference between them when it comes to their characteristics and nature. Another difference between the atmospheres of Saturn and Earth is the atmospheric pressure. The atmosphere of Saturn is about 96% hydrogen and 4% of helium. Here on Earth, we have a solid surface at which to measure it, but planets like Saturn and Jupiter have no solid surface - they are gas giants. It has a greater proportion of helium to hydrogen compared to Saturn. He began his writing career in 2007 and now works full-time as a writer and transcriptionist. Titan is the largest moon of Saturn and the second-largest natural satellite in the Solar System.It is the only moon known to have a dense atmosphere, and the only known body in space, other than Earth, where clear evidence of stable bodies of surface liquid has been found.. Titan is one of six gravitationally rounded moons from Saturn, and the most distant from Saturn of those six. Saturn has a smaller magnetic field in comparison to Jupiter’s but still its magnetic field is many times greater than the earth’s magnetic field. Saturn’s atmosphere—where NASA’s Cassini spacecraft ended its 13 extraordinary years of exploration of the planet—has a few unusual features.Its winds are among the fastest in the solar system, reaching speeds of 1,118 miles (1,800 kilometers) per hour. Saturn has the second-shortest day in the solar system. The outer atmospheric layer would dissolve, and the denser interior would sink to the bottom of the tub. Saturn's atmosphere originated from the volatiles in impactors that were released via volcanic activity. Although Saturn's core is considerably denser than water, the average specific density of the planet is 0.69 g/cm 3 due to the atmosphere. Another difference that can be seen is that Saturn is colder than Earth. Unlike Earth, there is no dry land in Saturn as it is a gaseous planet. • A day on Earth is 24 hours. If you were to venture into this atmosphere, you would find conditions unlike anything found on Earth. Saturnian Atmosphere Surface Pressure: >>1000 bars Temperature at 1 bar: 134 K (-139 C) Temperature at 0.1 bar: 84 K (-189 C) Density at 1 bar: 0.19 kg/m 3 Wind speeds Up to 400 m/s (<30 degrees latitude) Up to 150 m/s (>30 degrees latitude) Scale height: 59.5 km Mean molecular weight: 2.07 Atmospheric composition (by volume, uncertainty in parentheses) Major: Molecular hydrogen (H 2) - 96.3% (2.4%); … These super-fast winds, combined with heat rising from within the planet's interior, cause the yellow and gold bands visible in Saturn's atmosphere. Saturn’s atmosphere, on the other hand, is approximately 96 percent hydrogen, with around 4 percent helium and other trace gases. • The axis tilt of Earth is 23.5 while the axis tilt of Saturn is 26.7 degrees. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } • Saturn is the sixth planet in our solar system while Earth is the third planet in the solar system. D) They are much faster than hurricane winds on Earth. (4 to 5.5) 000 000? "The magnetic field freezes the flow," and the planet becomes rigid, says Yohai Kaspi, a planetary scientist at the Weizmann Institute of Science in Rehovot, Israel, who worked with Iess. Surface pressure is the atmospheric pressure at a point of Earth's surface. This shows that Saturn is very far away from the Sun as much as Earth is closer to Sun than Saturn. Here are some known atmospheric pressures for planetary bodies: Venus = 9300 Kp Earth = 101 Kp Mars = 0.7-0.9 Kp Jupiter = 20-200 Kp Saturn = 140 Kp Titan = 147 Kp Any insights are this topic would be appreciated. 2. "At the base of the atmosphere … the pressure is 90 atm." Cassini-Huygens probe that came to Saturn in 2004 witnessed the same storm still progressing. • Saturn is about 9.5 times bigger than the earth; Saturn has a diameter of 74, 898 miles whereas Earth’s diameter is 7, 926 miles. A large part of its atmosphere is also composed of water, ammonia and methane.

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