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typeracer

Pit Stop
Racer LeBron (lebronjameslakeshow)
Race Number 37
Date Wed, 21 Oct 2020 23:52:49
Speed 105 WPM Try to beat?
Accuracy 98.7%
Rank 2nd place (out of 5)
Opponents jayfeather4eva (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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