Senator Chris Van Hollen @ChrisVanHollen
Welcome back, @Astro_Christina. Not only are you setting records and making important contributions to our scientif… https://t.co/olGqkAN0nE — PolitiTweet.org
NASA Goddard @NASAGoddard
Congrats @astro_christina on your record-setting @Space_Station mission, and a warm welcome back to terra firma for… https://t.co/dZR3aheXnv