to be able to support life. D. This is the first time that possibly livable planets have been found outside... cold to provide enough heat for life. B. It is possible that there is no water on these planets.C ……

OUR Milky Way galaxy could contain up to 1 billion Earth-like planets capable of supporting life... cold to support life.The computer simulates which of these model Earths is likely to be kicked out ……

whether these planets could really support life, the discovery is still encouraging. It shows just how many Earth-size planets could be out there. “ suggests that finding a second Earth is not just ……

zone” – which means they are neither too hot nor too cold and can probably support life.Most...-like planets for years using NASA’s Kepler satellite (卫星). So far, it has found more than 100 ……

these planets could really support life, the discovery is still encouraging. It shows just how many Earth... support life.The group of seven planets, which orbits (环绕) a star called Trappist-1, is 39 light years ……

research is needed before determining whether these planets could really support life, the discovery is still encouraging. It shows just how many Earth-size planets could be out there. “ gives us ……

there could be liquid water (液态水) on them. If there is liquid water, there could be life.It is the first...科学家发现七颗类地行星。Are we alone in space (宇宙)? Is Earth the only planet that has life? These are big ……

, three of the planets are at the perfect distance (完美的距离) from their sun. It means there could be liquid water (液态水) on them. If there is liquid water, there could be life. Next, scientists will try ……

. These seven planets are as big as Earth. On Trappist-1e, f and g, there could be liquid water (液态水). If there is liquid water, there could be life. Do you think there will be any aliens (外星人)? Future plans未来 ……

科学家发现三大宜居星球。词数 397 测试见7版 建议阅读时间 6分钟 WE may be closer to finding life elsewhere in the universe – three planets that could help the chances of finding life beyond Earth have been discovered ……

planets which could support life. This research was presented at the Royal Society Summer Science... planets which could support life. This research was presented at the Royal Society Summer Science ……

in space.The seven planets are very close to one another. If you lived on one of them, you could... water, there could be life.It is the first finding like this for scientists. Next, they will try ……

are blessed with water, that could mean that life might have existed there. Even... orbits that are sharply elliptical. Planets with elliptical orbits are poor candidates for life to exist ……

A recent discovery of the atmosphere of a planet has reawakened dreams of finding life in other star systems.A new breed of astrobiologists is convinced that life on any distant planet would leave ……

-like planet. Located 31 light years away, it could support life. “I think it’s an amazing discovery... scientists hold the belief that there is certainly extra-terrestrial (地球以外的) life. ……