The Earth's atmosphere is made up of roughly 78% nitrogen, 21% oxygen, 0.9% argon, and 0.1% other gases. Other gases that make up the remaining 0.1 percent include trace amounts of carbon dioxide, methane, water vapour, and neon.
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Jul 23, 2023 · Earth's atmosphere: Facts about our planet's protective blanket · Earth atmosphere layers · Troposphere · Stratosphere · Mesosphere · Thermosphere.
8 days ago · Space.com - Earth's atmosphere: Facts about our planet's protective blanket · Chemistry LibreTexts - The Atmosphere · National Center for ...
Atmosphere
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An atmosphere is a layer of gasses that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. Wikipedia
Normal pressure: 14.7 pounds per square inch
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May 10, 2017 · 10 Fascinating Facts about Earth's Atmosphere · #1. Earth Has Had Three Atmospheres · #2. Oxygen Caused the First Major Extinction · #3. Global ...
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Aug 22, 2023 · Facts; How much oxygen comes from the ocean? How much oxygen comes from the ocean? About half of Earth's oxygen comes from the ocean; about ...