Night EVA
Astronauts Rick Mastracchio and Mike Hopkins perform a spacewalk outside the International Space Station on Christmas Eve, 2013.
![BfQiF-aCYAA7xxq.jpg_large.jpg](https://th-thumbnailer.cdn-si-edu.com/vCI-LxEYjjgbu6Y0wCGo0R2Q2K0=/1000x750/filters:no_upscale()/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/51/92/519296a4-8d53-4409-bad2-d896cbc3030e/bfqif-acyaa7xxqjpg_large.jpg)
Astronauts Rick Mastracchio and Mike Hopkins perform a spacewalk outside the International Space Station on Christmas Eve, 2013.