| Handle | Count | Handle | Count | Handle | Count | Hashtag | Count |
|---|---|---|---|---|---|---|---|
| @GabbyGiffords |
142 | @CaptMarkKelly |
158 | @GabbyGiffords |
359 | #fullspeedahead | 128 |
| @StationCDRKelly | 44 | @GabbyGiffords |
5 | @StationCDRKelly | 208 | #forarizona | 91 |
| @GiffordsCourage | 29 | @ageekmom | 1 | @NASA | 108 | #yearinspace | 50 |
| @RobynGLC | 27 | @Al_Demmer | 1 | @Space_Station | 63 | #tbt | 15 |
| @NASA | 21 | @AliBramson | 1 | @HillaryClinton |
40 | #apollo11 | 15 |
| @MissionForAZ | 7 | @AntiSocSoc | 1 | @GiffordsCourage | 35 | #stem | 15 |
| @NASAhistory | 5 | @AshishGuliani | 1 | @MissionForAZ | 34 | #apollo50th | 14 |
| @CaptMarkKelly |
4 | @astro_g_dogg | 1 | @POTUS | 21 | #maskupaz | 12 |
| @MarkHertling | 4 | @colchester1 | 1 | @MSNBC | 19 | #beardown | 12 |
| @NBCNightlyNews | 4 | @DanMarriesKOLD | 1 | @USNavy | 18 | #blackhistorymonth | 11 |