Jul 16
© Andy Eichner. Lokken, Denmark, 13 July '26. Noctilucent Clouds (NLCs), silver-blue and mesospheric, beyond the lower soft grey tropospheric clouds. NLCs are in the mesosphere, between altitudes of 76 to 85 km / 47 to 53 miles.
seen from United States
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seen from China
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seen from United States
© Andy Eichner. Lokken, Denmark, 13 July '26. Noctilucent Clouds (NLCs), silver-blue and mesospheric, beyond the lower soft grey tropospheric clouds. NLCs are in the mesosphere, between altitudes of 76 to 85 km / 47 to 53 miles.