Extraterrestrials
- 240 stránok
- 9 hodin čítania
Are we alone in the universe? If not, where is everybody? An engaging exploration of one of the most important unsolved problems in science.
Wade Roush Knihy
Z Knihobotu sa stáva Bookbot!
Are we alone in the universe? If not, where is everybody? An engaging exploration of one of the most important unsolved problems in science.