英语翻译ScientiststhinkthattherehasbeenlifeonEarthformillionsofyears.However,wehaven"tfoundlifeonotherplanetsyet.Whynot?TheEarthisaplanetanditgoesaroundtheSun.SevenotherplanetsalsogoaroundtheSun.Noneofthem

Question

英语翻译
Scientists think that there has been life on Earth for millions of years .However,we haven"t found life on other planets yet.Why not?
The Earth is a planet and it goes around the Sun .Seven other planets also go around the Sun.None of them has an environment with air,sopeople and things cannot grow .The Sun and its planets are called the solar system.The solar system is a small part of our galaxy.
The stars we see at night are the suns in other solar systems.There are inour galaxy ,called the Milky Way,and our Sun is only one of them.

Answer 1

科学家认为地球上几百万年前就有生命了,然而,我们还没有发现生命在其他行星上.为什么呢?地球是一颗行星,它绕着太阳转.其它七颗行星也绕着太阳转.他们当中没有一个有空气的环境,所以人类和其他生物没有办法生存.太阳...