South Pole Telescope 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
![I have a friend working at the South Pole Telescope (SPT) right now. They took a break to build an igloo over the holidays! SPT in the background : r/Astronomy I have a friend working at the South Pole Telescope (SPT) right now. They took a break to build an igloo over the holidays! SPT in the background : r/Astronomy](https://i.redd.it/wkhcbf0h11721.jpg)
I have a friend working at the South Pole Telescope (SPT) right now. They took a break to build an igloo over the holidays! SPT in the background : r/Astronomy
![Next-generation camera for the South Pole Telescope takes data of early universe | Argonne National Laboratory Next-generation camera for the South Pole Telescope takes data of early universe | Argonne National Laboratory](https://www.anl.gov/sites/www/files/styles/article_teaser_16x9/public/2018-09/SP-Telescope-Blue-1600x900.jpg?h=8abcec71&itok=9MOhyP6e)