Planet-hunters anticipate that NASA’s Kepler telescope will reveal an Earth-like planet orbiting a Sun-like star.

"行星猎人"预计，美国宇航局的开普勒望远镜会发现一个类似地球的行星绕着一个类似太阳的恒星。

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In August 2007, scientists announced the discovery of a star which might have once had an Earth-like planet orbiting it.

2007年八月，科学家宣布发现了恒星gd 362，可能曾经有类似地球的行星围绕其旋转。

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Astronomers have confirmed the existence of an Earth-like planet in the "habitable zone" around a star not unlike our own.

天文学家证实，宇宙中某颗恒星“适居区”内有一颗类地行星。

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That's an Earth-like planet around one in every six stars.

CNN: Kepler or not, we'll find life in space

In their paper, the co-authors argue that gravitational tidal heating caused by the gravitational friction of an earth-like exo-moon on an eccentric orbit around a Jupiter-like planet lying at a Jupiter-like distance from its parent star, could, in fact, create habitable conditions.

FORBES: Earth-Like Exo-Moons Can Lurk Well Beyond Planetary Habitable Zones, Say Astronomers

Since the very first planets outside our solar system were discovered in the early 1990s, the hope has been to find an "Earth twin" - a planet like ours, orbiting a star like ours, at a distance like ours.

BBC: Exoplanet around Alpha Centauri is nearest-ever