| Hashtag | Frequency in past 7 days |
| countdowntomars | ███████████████████ |
| mars2020 | ███████████ |
| perseverancerover | ████████ |
| perseverance | ████████ |
| mars2021 | ███████ |
| mars | ███████ |
| habworlds2021 | ███████ |
| scicomm | ██████ |
| nasa | ████ |
| science | ████ |
| astronomy | ████ |
| space | ████ |
| wandavision | ███ |
| marslanding | ███ |
| covid19 | ███ |
| nasaperseverance | ██ |
| lpsc2021 | ██ |
| blackinastro | ██ |
| academicchatter | ██ |
| inspiration4contest | ██ |