In the mid-1990s, astronomers made history when they began to find planets orbiting stars in the Milky Way. More than eight hundred planets have been found since then, yet none of them is anything like Earth and none could support life.
Now, armed...
![Космос [Школьный путеводитель]](https://www.rulit.me/data/programs/images/kosmos-shkolnyj-putevoditel_566790.jpg)
