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Credit & Copyright: P-M Hedén (Clear Skies,
TWAN)
Explanation:
Noctilucent or night-shining clouds lie near the
edge
of space.
From about 80 kilometers above Earth's surface,
the icy
clouds can still reflect sunlight even though the Sun itself is
below the horizon as
seen from the ground.
Usually occurring at high latitudes in summer months, the diaphanous
apparitions
are also known as
polar mesospheric clouds and may be
connected to global change
in the lower atmosphere.
This serene view features a lovely display of noctilucent clouds
over water recorded last month near the coastal town of Vaxholm, Sweden.
The picture was taken near local midnight.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: clouds
Publications with words: clouds
See also:
- APOD: 2024 November 19 Á Undulatus Clouds over Las Campanas Observatory
- APOD: 2024 July 7 Á Iridescent Clouds over Sweden
- APOD: 2023 August 20 Á A Roll Cloud Over Wisconsin
- APOD: 2023 February 12 Á Mammatus Clouds over Nebraska
- Nacreous Clouds over Lapland
- A Retreating Thunderstorm at Sunset
- A Fire Rainbow over West Virginia