http://activitystrea.ms/schema/1.0/notetag:chirp.cooleysekula.net,2018-12-10:noticeId=253320:objectType=noteNew note by steveFrom SPTelescope <a href="https://twitter.com/SPTelescope" title="https://twitter.com/SPTelescope" class="attachment" id="attachment-47114" rel="nofollow external">https://twitter.com/SPTelescope</a> on Twitter: Double sundog around SPT, captured by Amy Bender. Sundogs are the South Pole equivalent of rainbows, except they are caused by ice-crystals in the atmosphere refracting the sun and creating a circular ring the sun (which is shadowed by SPT here). #<span class="tag"><a href="https://chirp.cooleysekula.net/tag/sundog" rel="tag">sundog</a></span> #<span class="tag"><a href="https://chirp.cooleysekula.net/tag/antarctica" rel="tag">Antarctica</a></span> #<span class="tag"><a href="https://chirp.cooleysekula.net/tag/southpole" rel="tag">southpole</a></span> <a href="https://twitter.com/SPTelescope/status/1071696525649166336/photo/1" title="https://twitter.com/SPTelescope/status/1071696525649166336/photo/1" class="attachment" id="attachment-53092" rel="nofollow external">https://twitter.com/SPTelescope/status/1071696525649166336/photo/1</a> <a href="https://chirp.cooleysekula.net/file/199497b9210795d3b4600b0b82a76520506a4015a94e615f9d80f37ef0b9a818.png" title="https://chirp.cooleysekula.net/file/199497b9210795d3b4600b0b82a76520506a4015a94e615f9d80f37ef0b9a818.png" class="attachment" id="attachment-53091" rel="nofollow external">https://chirp.cooleysekula.net/attachment/53091</a>253320http://activitystrea.ms/schema/1.0/post2018-12-10T02:41:15+00:002018-12-10T02:41:15+00:00http://activitystrea.ms/schema/1.0/personhttps://chirp.cooleysekula.net/user/3stevePhysicist, Research Group Manager at SNOLAB, Professor of Physics at Queen's University, dark matter hunter, neutrino watcher, writer, runner, programmer, blogger, sometimes a drummer.steveStephen SekulaPhysicist, Research Group Manager at SNOLAB, Professor of Physics at Queen's University, dark matter hunter, neutrino watcher, writer, runner, programmer, blogger, sometimes a drummer.Sudbury, ON, Canadahomepagehttps://steve.cooleysekula.nettruetag:chirp.cooleysekula.net,2018-12-10:objectType=thread:nonce=667649b3b1deefe2