问候我们行星地球上的朋友！

Greetings to our friends in planet Earth!

行星地球面临过五次这样的灭绝。

Planet earth has faced 5 such extinctions.

年上映的《行星地球》是

Planet Earth was a groundbreaking documentary when it was released in 2006 by the BBC.

这是我们所有的责任，以节省行星地球。

It's all of our responsibility to save planet Earth.

我们的行星地球是一个缓慢绕著太阳移动的天体。

Our planet Earth is a sphere that slowly moves around the Sun.

行星地球，六千五百万年前，距离撞击二十四小时。

Planet earth, 65 million years ago, 24 hours to impact.

这两张望远镜彩色照片拍到了两个宇宙级夜枭，两个行星状星云向行星地球反射强光形成了有趣的对比。

Captured in colorful telescopic portraits, two cosmic owls glare back toward planet Earth in this intriguing comparison of planetary nebulae.

我只支持协作，开放，自由和崇高的敬意，所有生物，以及我们神圣的行星地球。

I only support collaboration, openness , freedom and great respect for all living creatures as well as our sacred planet Earth.

这个区域电磁能巨大，时常被想到作为一个入口—旋涡—或离开行星地球到达某地的虫洞。

This area has a high degree of electromagnetic energy and is often thought of as a portal or wormhole to somewhere off planet Earth.

从行星地球到银河系再到整个宇宙，有关我们生活的这个更大世界的知识是最终的人类遗产。

Knowledge about the larger world we live in, from planet Earth to the Milky Way galaxy to the universe itself, is the ultimate human legacy.