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<oembed><version>1.0</version><provider_name>Aviation Blog</provider_name><provider_url>https://vayuacademy.com/blog</provider_url><author_name>Anil Goyal</author_name><author_url>https://vayuacademy.com/blog/author/admin/</author_url><title>Contrails: White crayons on Blue canvas : Aviation Blog</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="guB7eIPMzd"&gt;&lt;a href="https://vayuacademy.com/blog/contrails-white-crayons-on-blue-canvas/"&gt;Contrails: White crayons on Blue canvas&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://vayuacademy.com/blog/contrails-white-crayons-on-blue-canvas/embed/#?secret=guB7eIPMzd" width="600" height="338" title="&#x201C;Contrails: White crayons on Blue canvas&#x201D; &#x2014; Aviation Blog" data-secret="guB7eIPMzd" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script type="text/javascript"&gt;
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</html><thumbnail_url>https://vayuacademy.com/blog/wp-content/uploads/2022/01/Unknown.jpeg</thumbnail_url><thumbnail_width>300</thumbnail_width><thumbnail_height>168</thumbnail_height><description>On a clear sky, one time or other you would have seen white contrails streaking across the sky. As if sky blue is canvas for these aircrafts or as if they are announcing true love, up high where our dreams meet. They look beautiful to one and all except for military pilots for they point like signposts. On some occasion they disappear in seconds on other they persist for very long after aircraft has passed. What are these white contrails and how are they formed?</description></oembed>
