读报
登录注册网站首页
 

mars up close | 火星大发现

What is Mars like?

作者:teens
Aa
  • -   
  •    +
火星到底什么样子?

Astronauts have never been to Mars. But robot spacecrafts have. We can learn a lot from them.

Mars is a cold desert world. It has pink skies, orange sunsets, deserts and canyons (峡谷).
点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭