GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 8YSY4CLS76EX5F0ZK

The accepted model of planetary formation holds that Jupiter-sized planets could only form in orbits much farther from their parent star than Earth is from the Sun. Recently, astronomers have detected planets, though as large as a Jupiter, have orbits around stars older than the Sun that are much closer to those stars than Earth's orbit is to the Sun. Nonetheless, most astronomers continue to regard the accepted model as correct.