The atmosphere of Earth is the layer of gases, commonly known as air. source
The atmosphere of Earth is the layer of gases, commonly known as air.
The atmosphere of Earth protects life on Earth by absorbing ultraviolet solar radiation. source
The atmosphere of Earth protects life on Earth by absorbing ultraviolet solar radiation.
Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere. source
Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.
Air content and atmospheric pressure vary at different layers, and air suitable for use in photosynthesis. source
Air content and atmospheric pressure vary at different layers, and air suitable for use in photosynthesis.
By terrestrial plants and breathing of terrestrial animals is found only in Earth's troposphere and in artificial atmospheres. source
By terrestrial plants and breathing of terrestrial animals is found only in Earth's troposphere and in artificial atmospheres.
The atmosphere has a mass of about 5.15×1018 kg,three quarters of which is within about 11 km (6.8 mi; 36,000 ft) of the surface. source
The atmosphere has a mass of about 5.15×1018 kg,three quarters of which is within about 11 km (6.8 mi; 36,000 ft) of the surface.
The atmosphere becomes thinner and thinner with increasing altitude, with no definite boundary between the atmosphere and outer space. source
The atmosphere becomes thinner and 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 the border between the atmosphere and outer space. source
The Kármán line, at 100 km (62 mi), or 1.57% of Earth's radius, is often used as the border between the atmosphere and outer space.
Atmospheric effects become noticeable during atmospheric reentry of spacecraft at an altitude of around 120 km (75 mi). source
Atmospheric effects become noticeable during atmospheric reentry of spacecraft at an altitude of around 120 km (75 mi).
The study of Earth's atmosphere and its processes is called atmospheric science (aerology). source
The study of Earth's atmosphere and its processes is called atmospheric science (aerology).
The three major constituents of air, and therefore of Earth's atmosphere, are nitrogen, oxygen, and argon. source
The three major constituents of air, and therefore of Earth's atmosphere, are nitrogen, oxygen, and argon.
Water vapor accounts for roughly 0.25% of the atmosphere by mass. source
Water vapor accounts for roughly 0.25% of the atmosphere by mass.
The exosphere is the outermost layer of Earth's atmosphere (i.e. the upper limit of the atmosphere). source
The exosphere is the outermost layer of Earth's atmosphere (i.e. the upper limit of the atmosphere).
The mesosphere is the third highest layer of Earth's atmosphere, source
The mesosphere is the third highest layer of Earth's atmosphere,
The stratosphere is the second-lowest layer of Earth's atmosphere. source
The stratosphere is the second-lowest layer of Earth's atmosphere.
the mass of Earth's atmosphere is distributed approximately as follows. source
the mass of Earth's atmosphere is distributed approximately as follows.
