Sentences with «to exist on the surface of a planet»
Recent surveys of faraway stars have focused on finding Earth - size objects orbiting in what is known as the habitable zone, the region where liquid water could presumably exist on the surface of a planet or a moon. (discovermagazine.com)
Using the Large Binocular Telescope Interferometer, or LBTI, in Arizona, the HOSTS Survey determines the brightness and density of warm dust floating in nearby stars» habitable zones, where liquid water could exist on the surface of a planet. (sciencedaily.com)
In other words, the range in which water, if it existed on the surface of the planet, would neither boil off nor freeze — but stay just right. (newsweek.com)