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Astronomy Picture of the Day -- Mt. Hood and a Lenticular Cloud
NASA ^ | April 17, 2013 | (see photo credit)

Posted on 04/17/2013 5:13:33 PM PDT by SunkenCiv

Explanation: What kind of cloud is next to that mountain? A lenticular. This type of cloud forms in air that passes over a mountain, rises up again, and cools past the dew point -- so what molecular water carried in the air condenses into droplets. The layered nature of some lenticular clouds may make them appear, to some, as large alien spaceships. In this case, the mountain pictured is Mt. Hood located in Oregon, USA. Lenticular clouds can only form when conditions are right -- for example this is first time this astrophotographer has seen a lenticular cloud at night near Mt. Hood. The above image was taken in mid-March about two hours before dawn.

April 17, 2013

(Excerpt) Read more at 129.164.179.22 ...


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; astronomy; mounthood; science
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To: SunkenCiv

Awesome photo...thanks. My daughter and friends were skiing Mt. Hood a couple weeks ago.


21 posted on 04/17/2013 9:55:49 PM PDT by ProtectOurFreedom
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