| Hashtag | Frequency in past 7 days |
| tesscon2 | ███████████████████ |
| olympics | ██████████████ |
| scicomm | ████████████ |
| science | ██████████ |
| tokyo2020 | █████████ |
| jwst | ████████ |
| space | ███████ |
| nauka | ███████ |
| covid19 | ██████ |
| iss | █████ |
| academicchatter | ████ |
| nasa | ████ |
| physics | ████ |
| tsc2 | ████ |
| academictwitter | ████ |
| astronomy | ████ |
| getvaccinated | ████ |
| nationalinternday | ████ |
| datascience | ████ |
| iot | ████ |