宜居带

该行星距离地球1400光年，NASA将其命名为“地球2.0”，因为它是第一颗人类在宜居带里与太阳相似的恒星附近发现的行星。

Located 1400 light-years from our planet , NASA called it " Earth 2.0 , " because it 's the first planet discovered in the habitable zone of a G star similar to our sun 。

这一新发现的行星被称为LHS1140b，与其母星的距离是地球与太阳距离的十分之一，但由于红矮星比身为黄矮星的地球要冷得多，所以该行星还是位于宜居带。

The new world - dubbed LHS 1140b - is ten times closer to its parent star than Earth but because a red dwarf is far cooler than our own yellow dwarf , the planet still sits in the habitable zone .

然而，新发现的行星g恰好位于宜居带正中区域。

The newly-discovered planet g , however , lies right in the middle of the habitable zone .

这颗“超级地球”是最近发现的太阳系外行星，它位于其恒星的宜居带内。

This " super-Earth " is a recently discovered exoplanet that is in its star 's habitable zone .

昆塔纳博士说，这是首次在另一个恒星宜居带确认发现地球大小的行星。

' This is the first validated Earth-sized planet in the habitable zone of another star , ' said Dr. Quintana .

专家们说目前发现的700多颗外部行星中，只有少部分位于宜居带当中。

Experts report that there are already more than 700 exoplanets discovered , but only a few are in the habitable zone .

体积与地球相差无几、同样位于宜居带，这两个条件使开普勒-186f成为候选的宜居星球。

Both its Earthlike size and its location in the habitable zone are what make Kepler-186f a more likely candidate to accommodate life .

即便如此，科学家也证实了开普勒-452b和几颗系外伴星均位于其恒星的宜居带。

Even so , scientists have confirmed that Kepler-452b is located in its star 's habitable zone , along with several companion exoplanets .

尽管该星系中的所有地外行星都可能存在生命，其中分布在宜居带内的三颗行星可能性更大。

Although all the exoplanets in this system are legitimate candidates to host alien life , three in particular are soundly in what is called the habitable zone .

这颗卫星可能存在生命，但也许不是我们所想的那种生命体，因为它不完全符合处于宜居带内这个条件。

This moon could potentially harbor life but possibly not in the sense that we think . Titan does not exactly fit the description of being in a typical habitable zone .

GJ581d被认为是在太阳系之外宜居带内发现的绕恒星运动的第一颗行星。宜居带不冷不热，适合生命生存。

GJ 581d is believed to be the first planet outside our solar system in the Goldilocks zone around its star an area not too hot and not too cold for life .

开普勒-186f距离地球约500光年，是一颗围绕开普勒-186运行的太阳系外行星。开普勒-186f于2014年被发现，是首颗在恒星的宜居带内被发现的类地系外行星。

Kepler-186f is an exoplanet orbiting the star Kepler-186 about 500 light-years from Earth . Discovered in 2014 , it is the first Earth-size exoplanet found to be orbiting in its star 's habitable zone .

从某种角度来说，此时的地球会与那些潮汐锁定的地外行星类似——这样的行星常见于红矮星宜居带里，但更好的比较对象也许是非常早期的金星。

In some ways , this Earth would resemble one of the tidally locked exoplanets commonly found in a red dwarf star 's habitable zone , but a better comparison might be a very early Venus .

不过，其他专家提醒说，这颗行星的运行轨道位于宜居带的外缘，那里接收到的光线可能与太阳系里的火星接收到的光线一样多。

Other experts , though , cautioned that the planet orbits at the outer edge of that habitable zone , where it likely receives about the same amount of light as Mars in our own solar system .

假设所有的生命形式和地球生物一样，都需要水才能生存的话，宜居带则是指在一颗主恒星周围的一定范围内，至少有一颗能够形成液态水的类地系外行星。

This is the area around a host star where an Earthlike exoplanet is capable of forming liquid water , assuming that all life-forms , like those on Earth , do in fact need water to survive .