Scientists have discovered a habitable zone planet around Proxima Centauri.

科学家们发现比邻星有一个适居带行星。

The discovery of an exoplanet in the habitable zone excited astronomers.

在宜居带发现一颗系外行星令天文学家们兴奋不已。

We find more Earths, we find more in the habitable zone.

我们会发现更多的“地球”，我们会在适合居住的地带找到更多行星。

The habitable zone is a region with the right conditions for life.

这样的居住区有着宜居的条件。

When stars morph into red giants, they change their habitable zone.

当恒星变成红巨星时，它们改变了它们的居住环境。

However, this planet, in fact, orbits in what we call the habitable zone.

不过这个行星实际上是在一个我们叫做“可居住带”的轨道上运转。

Of those confirmed, 12 are near-Earth-size and in the habitable zone of their star.

这些被确认的行星中，有12颗与地球大小相似并且位于其恒星周围的适居地带上。

This is not in what we call the traditional habitable zone, this area around the sun.

它不在我们以往公认的宜居区域内，也就是靠近太阳的区域。

If the Sun were twice as massive as it is now, Earth would fall out of the habitable zone… way out.

如果太阳的质量是现在的两倍，地球就会被挤出适居带。

These moons, which are not in what we call a traditional habitable zone, that are out in the solar system, have liquid water.

这些卫星，不在我们称作传统宜居地的区域，而在太阳系更远的地方，却拥有着液态水。