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WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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Kármán line
Videos
The Kármán line is a conventional definition of the edge of space; it is widely but not universally accepted. The international record-keeping body FAI defines the Kármán line at an altitude of 100 ki
Earth's atmosphere photographed from the International Space Station. The orange and green line of airglow is at roughly the altitude of the Kármán li
Earth's atmosphere photographed from the International Space Station. The orange and green line of airglow is at roughly the altitude of the Kármán line.
Atmospheric gases scatter the blue wavelengths, thus giving the Earth a blue arc. As the altitude increases the atmosphere decreases such that by seve
Atmospheric gases scatter the blue wavelengths, thus giving the Earth a blue arc. As the altitude increases the atmosphere decreases such that by several criteria it ceases to exist. Optically the atmospheric halo here gradually fades into the blackness of space.
Airglow
Videos
Airglow is a faint emission of light by a planetary atmosphere. In the case of Earth's atmosphere, this optical phenomenon causes the night sky never to be completely dark, even after the effects of s
Kármán line
…Earth's atmosphere photographed from the International Space Station. The orange and green line of airglow is at roughly the altitude of the Kármán line. The Kármán line (or von Kármán line ) is a conventional definition of the edge of space; it is widely…
Airglow over Auvergne, France
Airglow over Auvergne, France
Yellow, green and red bands of airglow along Earth's limb as seen from space.
Yellow, green and red bands of airglow along Earth's limb as seen from space.
Types and layering of airglow above Earth
Types and layering of airglow above Earth
Airglow as pinkish orange sodium line at just below one hundred kilometers and a faint green line, at the edge of space and the lower edge of the ther
Airglow as pinkish orange sodium line at just below one hundred kilometers and a faint green line, at the edge of space and the lower edge of the thermosphere (invisible), sandwiched between green and red bands of aurorae stretching over several hundred kilometers upward and the pink mesosphere, white and blue stratosphere, as well as orange troposphere afterglow and silhouettes of clouds at the bottom.