This planet is orbiting a star in the Pegasus constellation some 50 light years away.
这颗行星围绕着一颗距我们约五十光年的人马座恒星运转。
It is 128 light years from Earth, and is just visible to the naked eye in the constellation of Pegasus.
它距地球128光年，在飞马座中刚好能被肉眼可见。
The researchers did this using a small part of the giant Hale telescope in California, with which they examined a star called HR 8799 in the constellation of Pegasus.
研究人员利用以下两者进行实验——加利福尼亚州巨大海尔望远镜的一小部分，以及他们调查过的天马座hr 8799恒星。
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