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typeracer

Pit Stop
Racer young (cheesemonster1)
Race Number 165
Date Tue, 6 Oct 2020 11:50:38
Speed 69 WPM Try to beat?
Accuracy 95.6%
Rank 1st place (out of 5)
Opponents mwita7 (4th place) rochetyper (2nd place) rsgusain922 (3rd 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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