View Pit Stop page for race #627 by thesilentcloud — Ghost race
View profile for Derek (thesilentcloud)
| Official speed | 63.71 wpm (66.87 seconds elapsed during race) |
|---|---|
| Race Start | February 23, 2017 2:46:32am UTC |
| Race Finish | February 23, 2017 2:47:39am UTC |
| Outcome | No win (3 of 5) |
| Accuracy | 91.0% |
| Points | 0.00 |
| 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. |