View Pit Stop page for race #620 by officialinsert — Ghost race
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| Official speed | 91.15 wpm (46.74 seconds elapsed during race) |
|---|---|
| Race Start | December 13, 2019 1:17:44pm UTC |
| Race Finish | December 13, 2019 1:18:31pm UTC |
| Outcome | Win (1 of 2) |
| Accuracy | 98.0% |
| Points | 88.12 |
| Text | #3622418 (Length: 355 characters) If an exoplanet happens to transit its star, we can often determine both its mass and its radius, and hence estimate its density and possibly even its composition. More than 200 transiting hot Jupiters have been measured in this way. But when astronomers calculate their densities the numbers they obtain are generally much lower than predicted by theory. |