* Astronomy

Blobrana · L

RE: Clouds

Blobrana · L

Rare lens-shaped lenticular clouds have been observed in the skies over many parts of West Yorkshire, including over Holmfirth.
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Blobrana · L

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16:00 GMT, 22nd December 2011

Blobrana · L

2011-2012 Darwin Storm Time-Lapse -- 22 Nov 2011

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A three part time-lapse video. First a jet vapour trail which looks like a meteor, then a large storm billowing in the distance and last a spectacular sunset.

Blobrana · L

Nuvole bianche Ludovico Einaudi (TRANCE REMIX)

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Blobrana · L

October Sky

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Blobrana · L

Cloud simulator tests climate models

Results from an experiment built to study how clouds form suggests that our knowledge of this subject may need to be revised, Nature journal reports.
Tiny particles (aerosols) form the basis of the "seeds" from which clouds grow.
These seeds form when sulphuric acid and ammonia molecules cluster together - and cosmic rays may help this happen.
But these ingredients create only a tiny fraction of the cloud seeds formed in the atmosphere.
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15:30 GMT, 8th March 2011

yushu · New

Nice pictures. Good job!