JJ (jj111)

Race #2663

View Pit Stop page for race #2663 by jj111Ghost race

View profile for JJ (jj111)

Official speed 72.87 wpm (58.46 seconds elapsed during race)
Race Start June 6, 2019 3:44:26am UTC
Race Finish June 6, 2019 3:45:25am UTC
Outcome No win (5 of 5)
Opponents 4. cynibro (73.52 wpm)
Accuracy 95.0%
Points 70.44
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.