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typeracer

Pit Stop
Racer RRKS (rrks43)
Race Number 4801
Date Tue, 12 Mar 2019 16:45:22
Speed 80 WPM Try to beat?
Accuracy 97%
Rank 2nd place (out of 5)
Opponents abhi_jmd002 (4th place) adriankeller (3rd place) tehskies (1st place)

Text typed:

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.
— (book) by Eric Chaisson, Steve McMillan (see stats)

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