| Hashtag | Frequency in past 7 days |
| covid19 | ███████████████████ |
| science | ████████████████ |
| countdowntomars | ███████████████ |
| physics | █████████████ |
| blackandstem | ███████ |
| research | ███████ |
| iteachphysics | ███████ |
| womeninstem | ███████ |
| ai | █████ |
| machinelearning | █████ |
| homeschooling | █████ |
| lgbthm21 | █████ |
| space | █████ |
| covid | █████ |
| mars | █████ |
| mathematica | █████ |
| quantum | █████ |
| scicomm | █████ |
| astronomy | ████ |
| astrophysics | ████ |