PARIS: A small star in Earth's backyard may explode into a supernova millions of years from now.... The threat comes from star HR8210, located 150 light years from the Earth, which in galactic terms ……

Sirius A (天狼星) is the brightest star in the sky. You can see it from the Earth at night in winter. It is 24 times brighter than the sun. ……

, Earth and Mars are made of rock. Jupiter, Saturn, Uranus and Neptune are made of gas. They are known... its density (密度) is smaller than the earth抯. In fact, Mars has about 1/3 the gravity of the earth ……

star?Wang Dan: Yeah, so what? Do you think she's hot?Li: Not as hot as you.Wang: Well, thanks, Qiang, but what on earth prompted that comment? Oh, wait a minute, I think I know.Li: What? I was just ……

they are larger. Some look brighter because they are closer to Earth. Starlight (星光) can travel far. If a star looks small and dim (暗淡的), it still may be a really giant star. It is just too far away from Earth ……

Scientists have found a new planet like Earth in the universe, the nearest so far. The planet is named Proxima b. It is 4.2 light-years away from Earth. Like Earth orbits (围绕运行) the sun, Proxima b ……

, though it is four times closer to its star than Earth is to the sun.Is it possible that there is life... their search wasn’t about astronomy (天文学). It was about biology.These planet hunters are looking for Earth ……

, though it is four times closer to its star than Earth is to the sun.Is it possible that there is life... their search wasn’t about astronomy (天文学). It was about biology.These planet hunters are looking for Earth ……

科幻迷们的理想电影。THE Star Trek (《星际迷航》) films and TV series have millions of fans in the US and around... Vulcan, and his mother is from Earth. So he is half-human half-Vulcan. He tries to fit in with both ……

to Earth (P4-5)Choose the best answer:1. If you _____, you might have a problem. (答案不唯一)A. love a star... a running raceB. making friends with LeslieC. drawing good picturesD. trying to become popular at school3 ……

system(太阳系). They say it has conditions similar to those on Earth.The planet circles the star Gliese.... Small waveslap(轻拍) at a sandy shore...This may be one scene on the first Earth-like planet ……

比邻星b：迄今离地球最近的宜居星球。Scientists found a new planet like Earth in the universe. And it is the nearest so far. The planet is named Proxima b. It is 4.2 light-years away from Earth. Like Earth orbits (围绕 ……

. Scientists from a Belgian research team have found seven Earth-size planets 40 light-years away from Earth, according to NASA (National Aeronautics and Space Administration，美国航空航天局).The planets orbit ……

discovered the system, illuminated by a star, some 94 light years from Earth. (a light year is the distance...Astronomers say they have found a Jupiter-like body circling a distant star in a planetary system ……

of the Rings" trilogy, picks up exactly where the first one left off.No Star Wars-style introduction... called "Lord of the Rings." "It's impressive," says Two Tower star Viggo Mortensen, "But if you have ……