system.New red star新发现的矮星Trappist-1 is a red star. It works just like the sun. Its seven planets go...In the solar system (太阳系), Earth and seven other planets (行星) go around the sun. On Feb 22, NASA ……

相信吗？人类也能象熊那样冬眠！词数 174 建议阅读时间 5分钟IN sci-fi films, when astronauts have to go to faraway planets, they usually "sleep" away the long boring journey. They sleep for months after they take medicine. When ……

OUR Milky Way galaxy could contain up to 1 billion Earth-like planets capable of supporting life... in the universe.Solar systems such as Earth's, in which planets orbit a star, have been discovered ……

– three planets that could help the chances of finding life beyond Earth have been discovered, astronomers said on May 2.The Earth-sized planets are orbiting (围绕……运动) their parent star, which can be found ……

to a star and then pulls far away.The planets around this star — called 47 Ursae Majoris in the Big... gas giant planets that are far away from the star and we know there isn't a gas giant planet ……

chance that we could soon find signs of life on other planets. Furthermore, a new space satellite... chance that we could soon find signs of life on other planets. Furthermore, a new space satellite ……

There’s no guarantee that any of these Earth-like planets are indeed habitable — that depends... of planet won’t be found any time soon. It will require missions that are only likely to be launched ……

. Scientists from a Belgian research team have found seven Earth-size planets 40 light-years away from... whether these planets could really support life, the discovery is still encouraging. It shows just ……

letter of the planets' names.Here is an example:My Very Educated Mother Just Served Us Nine Pizzas.Since... with Neptune, Pluto is very small. It is attracted by Neptune's gravity when the two planets get closer ……

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 a hint that finding a second Earth is not just a matter ……

is home to billions of planets that are about the size of Earth, *orbit stars just like our sun..., scientists calculated — not estimated — what percentage of stars that are just like our sun have planets ……

神奇的太空Space is the place far away outside1 the Earth. There are many planets (行星) and stars in space. Look into the sky and you look into space. What do the stars and planets look like? How do ……

神奇的太空Space is the place far away outside1 the Earth. There are many planets (行星) and stars in space. Look into the sky and you look into space. What do the stars and planets look like? How do ……

mother just showed us new planets.Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto水星 金星 地球... the sky pink. Take away half of your body weight. What’s going on? This is life on Mars. *China’s first ……

Astronomers have discovered three Earth-sized planets *orbiting a small red sun, just 40 light-years away, according to research published in the journal Nature on May 2.Researchers say all three ……