Question 3 - Reading Practice Test for the TOEFL Test

Which of the sentences best expresses the essential information given in this sentence?

“Un­cov­er­ing the char­ac­ter­is­tics of su­per Earths is hard, since they’re so small compared to the par­ent star and their con­trast rel­a­tive to the star is ti­ny com­pared to gas gi­ant plan­ets, so-called ‘hot Jup­iters.’”

p q passage for 1 13

Courtesy of the University of Cambridge and World Science staff at

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