<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Sat, 18 Apr 2026 09:26:18 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/atmosphericoptics/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[When your crystals are like plates, you get sundogs]]></title><description><![CDATA[In the last post ( we saw how a 22 degree solar halo was created from hexagonal column crystals of ice. These crystals take all different orientations in the sky and thus give rise to the light that reaches]]></description><link>http://direct.ecency.com/sundog/@jonshock/when-your-crystals-are-like-plates-you-get-sundogs</link><guid isPermaLink="true">http://direct.ecency.com/sundog/@jonshock/when-your-crystals-are-like-plates-you-get-sundogs</guid><category><![CDATA[sundog]]></category><dc:creator><![CDATA[jonshock]]></dc:creator><pubDate>Sat, 24 Mar 2018 09:55:24 GMT</pubDate><enclosure url="https://images.ecency.com/p/W5LtFUPm6g774G2LPx8CTVHrbGQ778Sw45DBMcdCoho9N2X8pUXkGVVgFpF5LY72WwsJetAzPktcZC2QHrKDs8nrgjuxyu7Mdor4oJVUKufQAZQZitgSxRi6CFpGZiBirrSp3rKw9HPyDK7BGKtfNBGRS3Pav?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[The beauty of the 22 degree solar halo]]></title><description><![CDATA[(taken by me back in 2008) A photon is produced in a fusion reaction at the centre of the sun a million years ago. It whizzes out, carrying momentum, and soon after it has left the fused atoms, it collides]]></description><link>http://direct.ecency.com/solarhalo/@jonshock/the-beauty-of-the-22-degree-solar-halo</link><guid isPermaLink="true">http://direct.ecency.com/solarhalo/@jonshock/the-beauty-of-the-22-degree-solar-halo</guid><category><![CDATA[solarhalo]]></category><dc:creator><![CDATA[jonshock]]></dc:creator><pubDate>Wed, 21 Mar 2018 15:27:06 GMT</pubDate><enclosure url="https://images.ecency.com/p/JvFFVmatwWHVQPjDcGkFxELgGtwNAntRtiqDuEyxxyYiyZEL86djd5NBqchMiHM4W36CEjKJPEeQ6xq1KbpoT7b1C3ZavzLcF6FE2mYrY3q692Q9HqYtsq6G1oTg3MdptpbNt3qxuc?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[The green flash - legend and reality]]></title><description><![CDATA[Legend has it that just as the sun sets, if the conditions are perfect, then you will see a brilliant flash of green. Such phenomena have been talked about by sailors and travelers for centuries. With]]></description><link>http://direct.ecency.com/atmosphericoptics/@jonshock/the-green-flash-legend-and-reality</link><guid isPermaLink="true">http://direct.ecency.com/atmosphericoptics/@jonshock/the-green-flash-legend-and-reality</guid><category><![CDATA[atmosphericoptics]]></category><dc:creator><![CDATA[jonshock]]></dc:creator><pubDate>Sun, 18 Mar 2018 15:42:39 GMT</pubDate><enclosure url="https://images.ecency.com/p/2FFvzA2zeqoVZ5NRzV2o8MyJEzowAL6rjbt8w3dTGwRcMsvWZfbR9tiXeiwPgMzKoppyyrKoenc1SbSnShKJ5WLXjsuULY77HkqRVwQKT4vYH2sSCqsUQjRVFo9HQ?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>