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Credit & Copyright: Emmanuel
Paoly
Explanation:
These silvery blue waves washing over a tree-lined horizon
in the eastern French Alps are noctilucent clouds.
From high in planet Earth's mesosphere, they reflect sunlight in
this predawn skyscape
taken on July 8.
This summer, the night-shining clouds are not new to the
northern high-latitudes.
Comet NEOWISE is though.
Also known as C/2020 F3, the comet was discovered in March by the
Earth-orbiting
Near Earth Object Wide-field Infrared Survey Explorer
(NEOWISE)
satellite.
It's now emerging in morning twilight only just visible to the unaided eye
from a clear location
above the
northeastern horizon.
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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: noctilucent clouds - comet
Publications with words: noctilucent clouds - comet
See also:
- APOD: 2025 September 30 Á Comet Lemmon Brightens
- APOD: 2025 September 29 Á Two Camera Comets in One Sky
- APOD: 2025 September 26 Á A SWAN an ATLAS and Mars
- APOD: 2025 September 18 Á Comet C/2025 R2 SWAN
- APOD: 2025 September 16 Á New Comet SWAN25B over Mexico
- APOD: 2025 July 11 Á The Veins of Heaven
- APOD: 2025 July 7 Á Interstellar Comet 3I ATLAS