Early calculations, Lissauer says, show the system isn't stable.

利绍尔说，早期的计算表明，该系统并不稳定。

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Since he published his findings, Lissauer says, he is more skeptical of that interpretation.

利绍尔公布了这一发现后说，他对这一解释表示怀疑。

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Jack Lissauer of NASA's Ames Research Center at the American Astronomical Society meeting in Boston.

NASA艾姆斯研究中心的杰克·李索尔参加了在波士顿举行的美国天文学会会议。

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Mr.Lissauer says the five inner planets are among the smallest confirmed planets beyond our solar system.

VOA: special.2011.02.09

Investigator Jack Lissauer described the discovery.

VOA: special.2011.02.09

True, a year on this planet lasts just two Earth days, but NASA's Jack Lissauer says the planet feels quite a bit like home.

NPR: Astronomers Find Planet with Similarities to Earth

Lissauer says the wobble is influenced by a small nearby object.

NPR: Astronomers Find Planet with Similarities to Earth

Mr. LISSAUER: We believe this discovery of this small planet is a rock-solid discovery, even though the planet itself may or may not be solid rock.

NPR: Astronomers Find Planet with Similarities to Earth